title: Protective effects of inactive Mycoplasma pneumoniae vaccine in military personnel, 1964-1966.
mesh_terms: D000917:Antibody Formation; D001428:Bacterial Vaccines / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003168:Complement Fixation Tests; D006801:Humans; D008297:Male; D008887:Military Medicine; D009175:Mycoplasma Infections / Q000517:prevention & control*; D009500:Neutralization Tests; D010919:Placebos; D011014:Pneumonia / Q000453:epidemiology / Q000517:prevention & control; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000517:prevention & control
chemical_list: D001428:Bacterial Vaccines; D010919:Placebos