Burri, A. V.; Spector, T. D. (2012). “An Epidemiological Survey of Post-Coital Psychological Symptoms in a UK Population Sample of Female Twins”. Twin Research and Human Genetics. 14 (3): 240–248. doi:10.1375/twin.14.3.240. PMID21623654.
Burri, A. V.; Spector, T. D. (2012). “An Epidemiological Survey of Post-Coital Psychological Symptoms in a UK Population Sample of Female Twins”. Twin Research and Human Genetics. 14 (3): 240–248. doi:10.1375/twin.14.3.240. PMID21623654.