- Predicting sexual initiation in a prospective cohort study of adolescentsSusan H Gray
Department of Pediatrics, Boston Medical Center, 850 Harrison Ave, Boston, MA 02118, USA
Arch Pediatr Adolesc Med 162:55-9. 2008..To determine whether a new scale measuring beliefs about postponing sexual initiation (PSI) predicts sexual initiation and whether the association between PSI and sexual initiation is mediated by intention to initiate sexual intercourse...
- Salivary progesterone levels before menarche: a prospective study of adolescent girlsSusan H Gray
Department of Pediatrics, Boston Medical Center, Boston University School of Medicine, Boston, MA 02118, USA
J Clin Endocrinol Metab 95:3507-11. 2010..Our objective was to determine the frequency of ovulatory salivary progesterone levels before menarche in healthy girls...