TY - GEN TI - Monitoring of national aids prevention and control programmes: guiding principles T2 - WHO AIDS series, no.4 SN - 9241210044 U1 - 614.547 PY - 1989/// CY - Geneva PB - WHO KW - ACQUIRED IMMUNODEFICIENCY SYNDROME KW - NATIONL HEALTH PROGRAMS KW - ORGANIZATION & ADMINISTRATION KW - PREVANTION & CONTROL ER -