Blanchard, Ray Commentary on Kishida and Rahman (2015), Including a Meta-analysis of Relevant Studies on Fraternal Birth Order and Sexual Orientation in Men. [electronic resource] - Archives of sexual behavior Jul 2015 - 1503-9 p. digital Publication Type: Journal Article; Comment ISSN: 1573-2800 Standard No.: 10.1007/s10508-015-0555-8 doi Subjects--Topical Terms: Birth Order--psychologyFunctional Laterality--physiologyGender IdentityHeterosexuality--psychologyHomosexuality, Male--psychologyHumansMaleSiblings--psychology