RT Journal Article SR Electronic T1 Combination of Home-Based Hormonal and Mobile Technology for Virtual Monitoring of Menstrual Cycles JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 180 OP 180 DO 10.1370/afm.2653 VO 19 IS 2 A1 Rene Leiva A1 Lucas DiRienzo YR 2021 UL http://www.annfammed.org/content/19/2/180.abstract AB