Evaluation of the accuracy of a low-cost external tocodynamometer in a pilot study in Malawi. - Kortum, Alex; Samuel, Christina; Sonka, Theresa; Tanner, Lisette; Huntley, Benjamin J.F.; Abouseif, Ahmed; Oden, Z. Maria; Schwarz, Richard A.; Carns, Jennifer; Chauhan, Suneet P.; Bonongwe, Phylos; Richards-Kortum, Rebecca (PLoS ONE, 2025)