A.硫酸鏈霉素、慶大霉素 B.普魯卡因青霉素、硫酸卡拉霉素 C.土霉素、鹽酸大觀霉素 D.鹽酸多西環(huán)素、氨芐青霉素
A.3-5天 B.5-7天 C.7-9天 D.10-15天
A.2% B.3% C.4% D.5%