The discovery of()in 1921 was one of the greatest medical breakthroughs in Endocrinology.
The discovery of()in 1921 was one of the greatest medical breakthroughs in Endocrinology.
A.penicillin
B.insulin
C.Prontosil
D.vaccines
正确答案:insulin
The discovery of()in 1921 was one of the greatest medical breakthroughs in Endocrinology.
A.penicillin
B.insulin
C.Prontosil
D.vaccines
正确答案:insulin
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