title: Effects of creatinine correction to urinary LH levels on the timing of the LH peak and the distribution of coitus within the human menstrual cycle.
authors.affiliation: University of Southern California, Los Angeles 90033.
authors.forename: C A
authors.initials: CA
authors.lastname: Hedricks
authors.forename: W
authors.initials: W
authors.lastname: Schramm
authors.forename: J R
authors.initials: JR
authors.lastname: Udry
mesh_terms: D003075:Coitus; D003404:Creatinine / Q000652:urine*; D005260:Female; D006801:Humans; D007986:Luteinizing Hormone / Q000502:physiology / Q000652:urine*; D008297:Male; D008597:Menstrual Cycle / Q000652:urine*
chemical_list: D007986:Luteinizing Hormone; D003404:Creatinine