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
Bonfill X, Rivero E, Moreno C, Rué M. Changes in cancer mortality in Catalonia and Spain (1975-77 and 1987-89). A comparison with other European countries. Eur J Cancer Prev. 1995 Dec;4(6):453-8.