TY - BOOK ED - World Health Organisation (WHO) TI - Statistical Principles in Public Health Field Studies: Fifteenth Report of the WHO Expert committee on Health statistics T2 - World Health organisation Technical Report U1 - 100 SD:610.621 PY - 1972/// CY - Geneva PB - World Health organisation KW - Statistical Principles on Public Health Field KW - 510 N1 - Introduction -- General principles of research design field studies -- Development of sampling and measurement -- The experimental approach in the field of studies -- Non- Experimental studies on etiology or intervention -- The applications field studies in public health services -- The application of fields studies in public Health services -- Data Handling and Analysis ER -