title: Health services research towards HFA 2000: a case study at hill tribe villages in Northern Thailand.
mesh_terms: D003695:Delivery of Health Care; D006301:Health Services Needs and Demand; D006302:Health Services Research / Q000379:methods; D006801:Humans; D011320:Primary Health Care; D012424:Rural Population; D012499:Sanitation; D013785:Thailand