سفاد

• Testosterone, preoptic dopamine, and copulation in male rats.Brain research bulletin · 1997
• Can jaguar (Panthera onca) ovulate without copulation?Theriogenology · 2020
• The white gene controls copulation success in Drosophila melanogaster.Scientific reports · 2017
• Mate guarding and frequent copulation in birds: A meta-analysis of their relationship to paternity and male phenotype.Evolution; international journal of organic evolution · 2016
• Intromittent Organ Morphology and Biomechanics: Defining the Physical Challenges of Copulation.Integrative and comparative biology · 2016

via PubMed