The next phases of the Migrante Project: Study protocol to expand an observatory of migrant health on the Mexico-U.S. border. - Martinez-Donate AP; Rangel G; Correa C; Bakely L; Gonzalez-Fagoaga JE; González AA; Amuedo-Dorantes C; Zhang X; Magis-Rodriguez C; Lê-Scherban F; Guendelman S; Parrado E (Frontiers in public health, 2023)