Siheyuan: Started in 1952, full-level medical skills

Traveling to the world of courtyard children in 1952, awakening the proficiency system, the proficiency has been increased by a hundred times, and the full level can also obtain heaven-defying understanding.
At the beginning of the game, he had full-level medical skills, took Chen Xueru's first blood, and lived a good life in that era of lack of food and clothing.
The full-level understanding of medicine is against the sky, and the method of mass production of penicillin has been developed;
T...