@article {pmid9562927, title = {Different effects of heparin in males and females}, journal = {Clin Invest Med}, volume = {21}, number = {2}, year = {1998}, month = {Apr}, pages = {71{\textendash}78}, author = {Campbell, N. R. and Hull, R. D. and Brant, R. and Hogan, D. B. and Pineo, G. F. and Raskob, G. E.} }