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pro vyhledávání: '"John Sylla"'
Autor:
Adam Safron, Luke Holmes, Theodore L. Semon, David Sylva, Tuesday M. Watts-Overall, Jeremy Jabbour, Erlend Slettevold, Ritch C. Savin-Williams, John Sylla, J. Michael Bailey, Kevin J. Hsu, A. M. Rosenthal, Gerulf Rieger
Publikováno v:
Proc Natl Acad Sci U S A
Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America
Significance There has long been skepticism among both scientists and laypersons that male bisexual orientation exists. Skeptics have claimed that men who self-identify as bisexual are actually homosexual or heterosexual. (The existence of female bis