Negrini, Bryan Paul.
Oral contraceptive use, human papillomavirus infection, and risk of early cytological abnormalities of the cervix / by Bryan Paul Negrini.
[New Haven : s.n.], 1989.
Thesis (M.P.H.) - Yale University, 1989.
Bibliography: leaves 120-134.
Oral contraceptives -- Side effects.
Cervix uteri -- Cancer.
Philadelphia Area Center for History of Science
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