Rives-Sanchez M, Quintos A, Prillaman B, Willes L, Swaminathan N, Niroula A, Alqsous N, Sharma S. Sleep disordered breathing in hospitalized African-Americans. J Natl Med Assoc. 2020 Jun;112(3):262-7. doi: 10.1016/j.jnma.2020.03.011
Rothman KJ, Glass RL, Espinal F, Velez H. Caries-free teeth in the absence of fluoride ion. J Public Health Dent. 1972;32(4):225-8. doi: 10.1111/j.1752-7325.1972.tb03977.x