The expert commissions were in charge of such diverse tasks as documentary and bibliographical studies and the co-ordination of laboratory research undertaken by different institutes, but above all else, their scope was to carry out epidemiological or socio-medical surveys through visits or missions.
Las comisiones de expertos estaban dedicadas a diversas tareas como estudios documentales y bibliográficos, coordinación del trabajo de laboratorio emprendido por diversos institutos, pero, sobre todo, su finalidad era realizar encuestas epidemiológicas o médico-sociales por medio de viajes o misiones.