TY - GEN ED - UNAIDS ED - World Health Organization. Department of HIV/AIDS. TI - Guidelines for effective use of data from HIV surveillance systems SN - 92-4-159137-4 PY - 2004/// CY - Geneva : PB - World Health Organization KW - HIV infections KW - Prevention and control KW - Epidemiologic surveillance KW - Data collection KW - Standards KW - Information systems KW - Utilization KW - Data interpretation, Statistical KW - Program evaluation KW - Methods KW - Guidelines ER -