The retrospective study by Hser, Anglin, Booth and McGlothin (Anglin, Hser, Booth, 1987; Anglin, Hser, McGlothin, 1987; Hser, Anglin, Booth, 1987; Hser, Anglin, Grella et al., 1997; Hser, Anglin and McGlothin, 1987) is organized on the basis of four phases: initiation, start of dependence, dependence career and treatment.
L’étude rétrospective de Hser, Anglin, Booth et McGlothin (Anglin, Hser, Booth, 1987; Anglin, Hser, McGlothin, 1987; Hser, Anglin, Booth, 1987; Hser, Anglin, Grella et al., 1997; Hser, Anglin et McGlothin, 1987; est organisée à partir de quatre phases : l’initiation, l’installation de la dépendance, la carrière de dépendance et le traitement.