Margaret McLain, MPH, BBA
Margaret McLain, MPH, BBA
![142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual](images/banner.jpg)
Research Associate
Oregon Health Science University
Portland,
OR
USA
mclainma@ohsu.edu
4389.0 Vitamin D Deficiency and Insufficiency in Pregnant Women in the Pacific Northwest Participating in the Pregnancy, Exercise & Nutrition (PEN) Study