PROPHYLACTIC PROCEDURES IN NAVY RECRUITS.
D005029:Ethylenediamines; D006801:Humans; D007115:Immunization Schedule; D009326:Naval Medicine; D010400:Penicillin G; D010401:Penicillin G Benzathine; D010919:Placebos; D011014:Pneumonia; D012140:Respiratory Tract Diseases; D012213:Rheumatic Fever; D013290:Streptococcal Infections; D014612:Vaccines
D005029:Ethylenediamines; D010919:Placebos; D014612:Vaccines; C010044:benzathine; D010400:Penicillin G; D010401:Penicillin G Benzathine
IMMUNIZATION SCHEDULE; NAVAL MEDICINE; PENICILLIN G, BENZATHINE; PLACEBOS; PNEUMONIA; RESPIRATORY TRACT DISEASES; RHEUMATIC FEVER; STREPTOCOCCAL INFECTIONS; VACCINES