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3by Skjold, Stephen A., Wannamaker, Lewis W., Johnson, Dwight R., Margolis, Harold S.Get access
Published in Journal of Hygiene (1983)
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Article in Journal/Newspaper -
4by Ward, JoelI., Lum, MiltonK.W., Margolis, HaroldS., Fraser, DavidW., Bender, ThomasR., Anderson, PorterGet access
Published in The Lancet (1981)
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Article in Journal/Newspaper