Benzathine penicillin G:  its effectiveness in the prevention of streptococcal infections in a heavily exposed population.
D035843:Biomedical Research; D006801:Humans; D010401:Penicillin G Benzathine; D010406:Penicillins / Q000031:analogs & derivatives; D013290:Streptococcal Infections / Q000517:prevention & control*; D013291:Streptococcus
D010406:Penicillins; D010401:Penicillin G Benzathine
PENICILLIN/related compounds; STREPTOCOCCAL INFECTIONS/prevention and control