TY - BOOK AU - Melnick, Sandra L. TI - A Guide for epidemiological studies of oral manifestations of HIV infection SN - 9241544538 U1 - 614.5993 PY - 1993/// CY - Geneva PB - WHO KW - ACQUIRED IMMUNODEFICIENCY SYNDROME KW - HIV Infections KW - Epidemiologic Methods KW - HIV Infections-complications KW - Mouth Diseases-complications ER -