Visuospatial performance on an internet line judgment task and potential hormonal markers: sex, sexual orientation, and 2D:4D
Archives of Sexual Behavior (2007) - Comment
pubmed: 17380373  doi: 10.1007/s10508-006-9152-1  issn: 0004-0002  issn: 1573-2800 

Marcia L. Collaer, Stian Reimers, John T. Manning