Keeping up with sexually transmitted diseases. PMS Commission on Public Health and Toxic Substances.
D006291:Health Policy; D006801:Humans; D010414:Pennsylvania; D015231:Sexually Transmitted Diseases, Bacterial / Q000453:epidemiology* / Q000517:prevention & control; D015229:Sexually Transmitted Diseases, Viral / Q000453:epidemiology* / Q000517:prevention & control