(来学网)均能引起四环素牙的药物是
  • A.
    (来学网)先锋霉素、土霉素、盐酸四环素
  • B.
    (来学网)土霉素、去甲金霉素、盐酸四环素
  • C.
    (来学网)庆大霉素、盐酸四环素、缩水四环素
  • D.
    (来学网)青霉素、盐酸四环素、土霉素
  • E.
    (来学网)洁霉素、盐酸四环素、土霉素、去甲金霉素