Echebarría, R. S. (2006) “Controversies about duration of untreated psychosis as independent prognostic variable of the evolutive course of schizophrenic psychoses”, Actas Españolas de Psiquiatría, 34(6), pp. 377–385. Available at: https://actaspsiquiatria.es/index.php/actas/article/view/1387 (Accessed: 8 June 2025).