And indeed, a week after the journal had been released, the medical world trembled beneath the weight of an extraordinary revelation.
Knowledge, long thought stagnant in the field of medicine, had suddenly surged forward, propelled by the discoveries contained within those pages.
The journal stood as a landmark, a new chapter in history, not merely altering the paradigm of mutation management but shaking the very foundations of medical theory itself.
Doctors across continents were stunned, transfixed by the exposition, systematic, profound, and revolutionary.
Especially those abroad, who had long regarded Indonesia as a nation with little contribution to international medicine, now began to reconsider their view.
They read the journal with awe and disbelief.
Some even whispered, "This must have come from one of the great research centres in Europe or America!"
And when it was revealed that all the research, observation, and treatment had been carried out in Indonesia, and more precisely by a physician who concealed his true name, signing only as Doctor Z, a tide of respect and curiosity swept across the medical world.
In countless forums and scientific conferences, the name of Doctor Z was spoken with reverence.
Some hailed him as the saviour of a new generation in medicine, whilst others felt challenged, for his methods surpassed the conventional approaches they had studied for decades.
The journal became not merely essential reading but the principal reference in the management of advanced mutation cases across nations.
From that moment, the world no longer regarded Indonesia as a mere observer in global medicine.
Now, Indonesia was a pioneer. And all had begun with a single journal and a single name : Doctor Z.
The name of Doctor Z, once whispered in curiosity, now resounded with authority, lifting the prestige of Derisa Hospital to heights previously unimagined.
Local newspapers in the city of Derisa, national outlets, and even international media began to cast their gaze upon the institution, hailing it as one of the most credible medical establishments in Indonesia.
The reputation of Derisa Hospital soared.
Many declared that the success of the scientific journal on advanced mutation was not merely a testament to the brilliance of Doctor Z, but also proof that Derisa Hospital possessed a research ecosystem and medical service worthy of global recognition.
Foreign research bodies soon expressed interest in collaboration.
Journalists, scientists, and representatives from hospitals across the world arrived, eager to witness the place where new knowledge had been born.
From being known only within the regional sphere, Derisa Hospital now stood proudly at the forefront, a symbol of Indonesia's medical progress.
Yet the question that stirred ever greater curiosity was this, who was the true identity of Doctor Z?
Media organisations, both local and international, strove to uncover the figure behind the name.
They pursued digital traces, interviewed staff, and searched every corner for a clue.
But all efforts proved fruitless. Those questioned chose silence, their lips sealed, as though bound by an unwritten vow that could never be broken.
Zein had deliberately concealed his identity from the hospital staff, even from the senior members.
Only a handful knew who Doctor Z truly was.
They were Director Widodo, Dr Iman, Dr Bagus, Dr Hendra, and one special patient named Sulastri, who had now fully recovered from her illness.
The five of them had forged an unwritten pact, a promise they would never betray.
They agreed to guard the secret of Doctor Z's true identity, no matter the pressure or the temptations from outside.
For them, preserving Zein's name and privacy was far more important than popularity or public recognition.
This was also what prompted The General Hospital of Solo City to strive earnestly to build close ties with Derisa Hospital.
As a government institution three times larger than Derisa, The General Hospital of Solo City had long stood as a symbol of prestige and accreditation in Indonesia.
Its name was already well known, not only among the general public but also within the national medical community.
The doctors who worked there were no ordinary practitioners.
Most were specialists and experts in their fields, with high reputations and long experience in medicine.
These distinguished names were the pride of the hospital, and now they too turned their attention to the achievements of Derisa Hospital and the mysterious figure known as Doctor Z.
In one of the important meetings held by the senior officials of The General Hospital Solo City, they reached a strategic agreement.
That was to propose a programme of doctor exchange, or at the very least to assign one of their physicians to work temporarily at Derisa Hospital.
The true purpose of this step was none other than to investigate and uncover the real identity of the enigmatic figure known as Doctor Z.
For them, discovering who Doctor Z truly was held the key to understanding the miracle behind the rapid rise of Derisa Hospital.
Yet the question of who should be assigned to Derisa Hospital remained a matter of heated debate among the officials of Solo City General Hospital.
Some proposed that a highly reputed specialist be sent, in the hope that such a figure might quickly integrate and obtain deeper information.
Others, however, argued that a less experienced doctor should be chosen, reasoning that such individuals were more easily guided, more flexible, and perhaps less likely to arouse suspicion in a new environment such as Derisa Hospital.
After long deliberation and a series of meetings held more than once, the officials of Solo City General Hospital finally resolved to send a specialist in Obstetrics and Gynaecology to Derisa Hospital.
By chance, this decision aligned with the needs of Derisa Hospital, which was indeed facing a shortage of obstetricians and gynaecologists.
This shortage had arisen from the high rate of pregnancy and childbirth in the city of Derisa over recent years.
Derisa Hospital had previously submitted a request for additional obstetricians and gynaecologists to the local Health Office, and had also sought recommendations from the Indonesian Medical Association as the professional body.
Yet to this day, no official decision or approval had been issued by the relevant authorities.
It was this gap that Solo City General Hospital seized upon to pursue its own aims.
With great enthusiasm, they declared their willingness to send several additional specialists in Obstetrics and Gynaecology to Derisa Hospital.
At the very least, two doctors had already expressed their readiness to transfer to Derisa Hospital, out of the three requested by the institution.
Meanwhile, one other doctor was simply awaiting the moment to follow.