TY - GEN ED - World Health Organization. Regional Office for the Western Pacific TI - Health research methodology : a guide for training in research methods SN - 8980163606 PY - 2002/// CY - Manila : PB - WHO Regional Office for the Western Pacific KW - Healthservices research KW - Methods KW - Research design KW - Manuals N1 - First edition was no. 5 of the Western Pacific education in action series; 1 ER -