Ref. 26:
This reference (in English) is to the report by Simon LeVay (a homosexual himself) that has been deliberately misinterpreted by the media.  Translated into your language it reads (in part):

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A Difference in Hypothalamic Structure Between Heterosexual and Homosexual Men
Simon LeVay

The anterior hypothalamus of the brain participates in the regulation of male-typical sexual behavior. The volumes of four cell groups in this region [interstitial nuclei of the anterior hypothalamus (INAH) 1, 2, 3, and 4] were measured in postmortem tissue from three subject groups: women, men who were presumed to be heterosexual, and homosexual men. No differences were found between the groups in the volumes of INAH 1, 2, or 4. As has been reported previously, INAH 3 was more than twice as large in the heterosexual men as in the women. It was also, however, more than twice as large in the heterosexual men as in the homosexual men. This finding indicates that INAH is dimorphic with sexual orientation, at least in men, and suggests that sexual orientation has a biological substrate.”

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Following the summary of the report, as written by LeVay, are synopses of three different critiques of LeVay’s study.

For a look at the original text in English click here (file size: 356 k)