A SURVEY VISIT TO NIGERIA, LIBERIA AND SIERRA LEONE.
D000349:Africa; D000354:Africa, Western; D003625:Data Collection; D003813:Dentistry; D006306:Health Surveys; D006761:Hospitals; D006801:Humans; D007391:International Cooperation; D007988:Liberia; D008511:Medicine; D009549:Nigeria; D012807:Sierra Leone; D014195:Travel
AFRICA, WESTERN; DENTISTRY; HEALTH SURVEYS; HOSPITALS; INTERNATIONAL COOPERATION; LIBERIA; MEDICINE; NIGERIA; TRAVEL