Chlortetracycline for prophylaxis of streptococcal disease; a two year study.
D035843:Biomedical Research; D002751:Chlortetracycline / Q000627:therapeutic use*; D006801:Humans; D013290:Streptococcal Infections / Q000517:prevention & control*; D013291:Streptococcus
D002751:Chlortetracycline
CHLORTETRACYCLINE/therapeutic use; STREPTOCOCCAL INFECTIONS/prevention and control