DOI:
10.1055/s-00035331
Revista Urología Colombiana / Colombian Urology Journal
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References
Feldman HA, Goldstein I, Hatzichristou DG, Krane RJ, McKinlay JB.
Construction of a surrogate variable for impotence in the Massachusetts Male Aging Study.
J Clin Epidemiol 1994;
47 (05) 457-467
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