Einarson TR, Piwko C, Koren G. QUANTIFYING THE GLOBAL RATES OF NAUSEA AND VOMITING OF PREGNANCY: A META-ANALYSIS. J Popl Ther Clin Pharmacol. 2018;20(2). Accessed September 20, 2025. https://www.jptcp.com/index.php/jptcp/article/view/387