Elusive exclusivity: Comparing cross-sectional and longitudinal data on exclusive breastfeeding
Magdalena Buczek1, Julia Coit, MPH1, Xena Grossman, MS, RD1, Lori B. Feldman-Winter, MD, MPH2 and Anne Merewood, PhD, MPH, IBCLC1
(1)Boston Medical Center, Boston, MA, (2)The Children's Regional Hospital at Cooper-UMDNJ-RWJMS, Camden, NJ
(1)Boston Medical Center, Boston, MA, (2)The Children's Regional Hospital at Cooper-UMDNJ-RWJMS, Camden, NJ