Objective To observe the relationship between the level of estradiol E2 in serum and activities of cretin kinase(CK),lactate dehydrogenase(LDH) and aspartate transaminase (AST) in rat heart muscle.

• 目的观察雌二醇对雌性大鼠心肌组织肌酸激酶(CK)、乳酸脱氢酶(LDH)及天门冬氨酸转氨酶(AST)活性的影响。