找考题网-背景图
单项选择题

A.先锋霉素、土霉素、盐酸四环素B.土霉素、地美环素、盐酸四环素C.庆大霉素、盐酸四环素、缩水四环素D.青霉素……

能引起四环素牙的药物组合是()

A.先锋霉素、土霉素、盐酸四环素
B.土霉素、地美环素、盐酸四环素
C.庆大霉素、盐酸四环素、缩水四环素
D.青霉素、盐酸四环素、土霉素
E.林可霉素、盐酸四环素、土霉素、地美环素