Author: Maulen-Radovan I. Castrellon P.G. Ochoa E.C. Aguirre M.M.
Publisher: Elsevier
ISSN: 0188-0128
Source: Instituto Mexicano del Seguro Social. Subjefatura de Investigacion. Investigacion, Vol.30, Iss.3, 1999-05, pp. : 179-185
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