PENICILLIN LEVELS IN SPUTUM.
D006801:Humans; D007273:Injections, Intramuscular; D010400:Penicillin G; D010405:Penicillinase; D010406:Penicillins; D012463:Saliva; D013183:Sputum
D010406:Penicillins; D010405:Penicillinase; D010400:Penicillin G
INJECTIONS, INTRAMUSCULAR; PENICILLIN G; PENICILLINASE; SALIVA; SPUTUM