Name Info Provider Link
Puberty free resource MedlinePlus Health Information https://medlineplus.gov/puberty.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=16263828.ui
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/jcem/article-lookup/doi/10.1210/jc.2005-0891