title: Calcium requirement for sperm-egg fusion in mammals.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D006224:Cricetinae; D003470:Culture Media; D005260:Female; D005306:Fertilization / Q000187:drug effects*; D005307:Fertilization in Vitro / Q000187:drug effects*; D006168:Guinea Pigs; D006801:Humans; D066298:In Vitro Techniques; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D013045:Species Specificity; D013084:Sperm-Ovum Interactions / Q000187:drug effects*; D013324:Strontium / Q000494:pharmacology
chemical_list: D003470:Culture Media; D008274:Magnesium; D002118:Calcium; D013324:Strontium