Statistical analysis of the world health manpower situation circa 1975.
D003906:Developing Countries; D006281:Health Occupations / Q000639:trends*; D006297:Health Services Accessibility; D006280:Health Workforce / Q000600:supply & distribution*; D006801:Humans; D013223:Statistics as Topic; D011795:Surveys and Questionnaires; D014944:World Health Organization