A Quasi-Experimental Study On The Effects Of Warm Mustard Oil Massage For Postpartum Back Pain In Selected Government Hospitals. Journal of Pharmaceutical Negative Results, [S. l.], p. 9923–9930, 2022. DOI: 10.47750/pnr.2022.13.S09.1159. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/6860.. Acesso em: 23 jun. 2026.