JOHN P. UTZ, M.D.
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The epidemiologic aspects of poliomyelitis in the tropics have been described in the past by Sheplan,1 Allwood-Paredes,2 Irazabal,3 Andrade Marin,4 Seddon,5 Paul,6 McFarlan7 and Rosen,8 and recently have been reemphasized by Paul.9 A review of the literature, however, fails to disclose any corresponding clinical studies of this disease in native populations in the tropics. We are therefore reporting a clinical study of poliomyelitis carried out during an outbreak of that disease in El Salvador in July and August of 1953.
The use of the word "tropics" in this paper should be explained. Considered geographically, the tropics lie between the
UTZ JP. A CLINICAL STUDY OF POLIOMYELITIS IN THE TROPICS1. Ann Intern Med. 1955;42:1190–1197. doi: 10.7326/0003-4819-42-6-1190
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Published: Ann Intern Med. 1955;42(6):1190-1197.
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