Penicillin sprays and upper respiratory tract infection.
KNOTT
F A
FA
BLAIKLEY
J B
JB
D010406:Penicillins / Q000008:administration & dosage*; D012137:Respiratory System; D012140:Respiratory Tract Diseases; D012141:Respiratory Tract Infections
D010406:Penicillins
PENICILLIN/administration; RESPIRATORY TRACT/diseases