Be Healthy in Pregnancy (BHIP): A Randomized Controlled Trial of Nutrition and Exercise Intervention from Early Pregnancy to Achieve Recommended Gestational Weight Gain oleh Stephanie A. Atkinson, Atherai Maran, Kendra Dempsey, Maude Perreault, Thuva Vanniyasingam, Stuart M. Phillips, Eileen K. Hutton, Michelle F. Mottola, Olive Wahoush, Feng Xie, Lehana Thabane