Community health services - Research - Methodology.

Research methods in community medicine :surveys, epidemiological research, programme evaluation, clinical trials / by: (書目-語言資料,印刷品)

Research methods in health :investigating health and health services / by: (書目-語言資料,印刷品)

Community Medicine.

Community health services

Epidemiology

Research.

Public Health.

Clinical trials

Research

Clinical Trials as Topic.

Health Services.

Program Evaluation.

Research Design.

Public health

Health surveys.

Epidemiologic Methods.