Reports of the North Carolina syphilis studies; IV. Some problems in the evaluation of venereal disease education.
D006801:Humans; D008887:Military Medicine; D008889:Military Personnel; D009326:Naval Medicine; D009657:North Carolina; D011634:Public Health; D012749:Sexually Transmitted Diseases; D013587:Syphilis
MILITARY AND NAVAL MEDICINE; PUBLIC HEALTH; SYPHILIS; VENEREAL DISEASE