Sleep characteristics in an adult with sleep complaints in three cities at different altitudes
Julio Cesar Castellanos-Ramírez1,a, Alvaro J Ruíz2,3,b, Patricia Hidalgo-Martínez1,2,c, Liliana Otero-Mendoza4,d
DOI: http://dx.doi.org/10.1590/S1806-37562016000000078