Bali V, Schelfhout J, Sher MR, Tripathi Peters A, Patel GB, Mayorga M, Goss D, Romano (DeMuro) C. Patient-reported experiences with refractory or unexplained chronic cough: a qualitative analysis. Ther Adv Respir Dis. 2024 Mar 19;18:175346662. doi: 10.1177/17534666241236025
Rothman KJ, Velez H, Glass RL, Mejia R, Espinal F. Dental caries and soil contents of trace metals in two Colombian villages. J Dent Res. 1972 Nov 1;51(6):1686.