Rheumatic disease in a Philippine villag
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R. Wigley; L. Manahan; K. D. Muirden; R. Caragay; B. Pinfold; K. G. Couchman; H.
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Article
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1991
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Springer
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English
β 480 KB
Many difficulties were encountered in a population survey of rheumatic complaints in a remote village area in the Philippines affecting the reliability of estimates of population prevalence. In phase I, a simple questionnaire identified 269 adults out of 950 who had rheumatic symptoms. In Phase II,