You can easily search a majority of the Penn Libraries journal titles about Allergy, Immunology, and Immunotherapy in Browzine.
Obstetrics and Gynecology — Medical Specialties O-Z — University of Pennsylvania — BrowZine
Below are direct links to a selection of these titles.
Evidence-Based Obstetrics and Gynecology by 
Speroff and Darney's Clinical Guide to Contraception by 
Minimally Invasive Gynecology: An Evidence Based Approach by 
Operative Techniques in Gynecologic Surgery: Gynecology by 
Each woman's menopause: an evidence based resource for nurse practitioners, advanced practice nurses and allied health professionals by 
