Effects of relaxation interventions during pregnancy on maternal mental health, and pregnancy and newborn outcomes: A systematic review and meta-analysis - Mubarek Abera; Charlotte Hanlon; Beniam Daniel; Markos Tesfaye; Abdulhalik Workicho; Tsinuel Girma; Rasmus Wibaek; Gregers S. Andersen; Mary Fewtrell; Suzanne Filteau; Jonathan C. K. Wells (PLoS ONE, 2024)