Blood Transfusion in Clinical Medicine (10th ed.). Oxford UK: Blackwell Science. ISBN 0-86542-881-6. External links

BGMUT Blood Group Antigen Gene Mutation Database at NCBI, NIH has details of genes and proteins, and variations thereof, that are responsible for blood types
Online Mendelian Inheritance in Man (OMIM): ABO Glycosyltransferase; ABO - 110300
Online Mendelian Inheritance in Man (OMIM): Rhesus Blood Group, D Antigen; RHD - 111680
"Blood group test". Gentest.ch GmbH. Archived from the original on 2017-03-24. Retrieved 2017-03-23. "Blood Facts – Rare Traits". LifeShare Blood Centers. Archived from the original on September 26, 2006. Retrieved September 15, 2006. "Modern Human Variation: Distribution of Blood Types". Dr. Dennis ONeil, Behavioral Sciences Department, Palomar College, San Marcos, California. 2001-06-06. Archived from the original on 2001-06-06. Retrieved November 23, 2006. "Racial and Ethnic Distribution of ABO Blood Types – BloodBook.com, Blood Information for Life". bloodbook.com. Archived from the original on 2010-03-04. Retrieved September 15, 2006. "Molecular Genetic Basis of ABO". Retrieved July 31, 2008.
Sex-advice columnist Dan Savage dismissed the act as completely fictional. Brian Bouldrey in Dirty Words: A Literary Encyclopedia of Sex says the act is an urban legend. The New Partridge Dictionary of Slang and Unconventional English says, "This appears to have been contrived with the intention to provoke shock rather than actually as a practice, although, no doubt, some have or will experiment." Columnist Gustavo Arellano of ¡Ask a Mexican! contends the term evokes the stereotypical mustache of a Mexican. The term for the sex act entered British gay cant Polari in the 1960s.A Chicago sunroof is a fictional act, popularized in American crime drama series Better Call Saul, a spinoff of Breaking Bad. In the series, the titular character Jimmy McGill (Bob Odenkirk) defecates through an open sunroof as part of a revenge plan. As he (falsely) points out, “Its a real thing. I didnt make it up. Im not the first person to do it. Theres a name for it.” Series creator Peter Gould clarified in an interview that the "Chicago sunroof" is not real. See also
2 Girls 1 Cup
Anilingus
Ass to mouth—removing the penis from the passive partners anus followed by its immediate insertion into the mouth
Coprophagia—the consumption of feces
Flatulence fetishism
Sadomasochism
Scatology
Urolagnia (also known as urophilia)—a paraphilia involving sexual pleasure from urine

References
Further reading
Fritscher, Jack (1978). "Review of END PRODUCT: THE FIRST TABOO by Dan Sabbath and Mandel Hall, Preface by Abby Rockefeller. URIZEN BOOKS, N.Y., 1977. 287 pp" (PDF). Drummer. No. 22. Retrieved December 28, 2018. Xavier CM (June 1955). "Coprophilia; a clinical study".