Obstetrical safety indicators for preventing hospital harms in low risk births: a scoping review protocol by Jeremy M Grimshaw, Jessica Reszel, Sandra I Dunn, Mark C Walker, Aislinn Conway

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Serum Folate Shows an Inverse Association with Blood Pressure in a Cohort of Chinese Women of Childbearing Age: A Cross-Sectional Study. by Minxue Shen, Hongzhuan Tan, Shujin Zhou, Ravi Retnakaran, Graeme N Smith, Sandra T Davidge, Jacquetta Trasler, Mark C Walker, Shi Wu Wen

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Receptiveness to participating in cannabis research in pregnancy: a survey study at The Ottawa Hospital [version 1; peer review: 2 approved] by Kira Bombay, Amy McGee, Christina Cantin, Kathryn M Denize, Malia SQ Murphy, Daniel J Corsi, Mark C Walker, Shi Wu Wen, Ruth Rennicks White

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Cannabis Use in Pregnancy and Downstream effects on maternal and infant health (CUPiD): a protocol for a birth cohort pilot study by Mark C Walker, Darine El-Chaâr, Daniel J Corsi, Malia S Q Murphy, Ruth Rennicks White, Serine Ramlawi, Alysha L J Dingwall-Harvey, Laura M Gaudet, Amy McGee, Amanda DeGrace, Christina Cantin

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Pregnancy, fetal, and neonatal outcomes after a first booster dose of covid-19 vaccine during pregnancy in Ontario, Canada: population based, retrospective cohort study by Annette K Regan, Prakesh S Shah, Siri E Håberg, Sandra I Dunn, Ann E Sprague, Deshayne B Fell, Mark C Walker, Robert W Platt, Kumanan Wilson, Jeffrey C Kwong, Sarah A Buchan, Jon Barrett, Darine El-Chaâr, Jay S Kaufman, Eszter Török, Sarah E Wilson, Shannon E MacDonald, Sheryll Dimanlig-Cruz, Christopher A Gravel, Gillian D Alton, Tavleen Dhinsa, Nannette Okun, Liam Bruce

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