Milk production is stimulated by ________, milk ejection is stimulated by ________.
A、somatomedin;
B、prolactin;
C、oxytocin;
D、MSH;
E、LH;
发布时间:2025-07-17 19:09:52
A、somatomedin;
B、prolactin;
C、oxytocin;
D、MSH;
E、LH;