Reproductive strategy, sexual development and attraction to facial characteristics
R. Elisabeth Cornwell, Miriam J Law Smith, Lynda G Boothroyd, Fhionna R Moore, Hasker P Davis, Michael Stirrat, Bernard Tiddeman, and David I Perrett
Philos Trans R Soc Lond B Biol Sci. 2006 December 29; 361(1476): 2143–2154. Published online 2006 November 3. doi: 10.1098/rstb.2006.1936.PMCID: PMC1764838