A comparison of three methods for sampling hard - to - reach or hidden populations

por Bernardo Useche Aldana, Marcela Arrivillaga Quintero
Publicado 2008

Social Inequities in the Impact of COVID-19 Lockdown Measures on the Mental Health of a Large Sample of the Colombian Population (PSY-COVID Study)

por Juan P. Sanabria-Mazo, Bernardo Useche-Aldana, Pedro P. Ochoa, Diego F. Rojas-Gualdrón, Corel Mateo-Canedo, Meritxell Carmona-Cervelló, Neus Crespo-Puig, Clara Selva-Olid, Anna Muro, Jorge L. Méndez-Ulrich, Albert Feliu-Soler, Juan V. Luciano, Antoni Sanz
Publicado 2021