Journal Article Hair density, hair diameter and the prevalence of female pattern hair loss Get access M.P. Birch, M.P. Birch Department of Dermatology, Royal Hallamshire Hospital, Sheffield S10 2JF, U.K. Search for other works by this author on: Oxford Academic Google Scholar J.F. Messenger, J.F. Messenger Department of Dermatology, Royal Hallamshire Hospital, Sheffield S10 2JF, U.K. Search for other works by this author on: Oxford Academic Google Scholar A.G. Messenger A.G. Messenger Department of Dermatology, Royal Hallamshire Hospital, Sheffield S10 2JF, U.K. Search for other works by this author on: Oxford Academic Google Scholar British Journal of Dermatology, Volume 144, Issue 2, 1 February 2001, Pages 297–304, https://doi.org/10.1046/j.1365-2133.2001.04018.x Published: 01 February 2001