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Cancer incidence attributable to the use of oral contraceptives and hormone therapy in Alberta in 2012
Xin Grevers, Anne Grundy, Abbey E. Poirier, Farah Khandwala, Matthew Feldman, Christine M. Friedenreich and Darren R. Brenner
December 12, 2016 4 (4) E754-E759; DOI: https://doi.org/10.9778/cmajo.20160046