Authors:
De Weert-Van Oene, GH
Schippers, GM
De Jong, CAJ
Schrijvers, GJP
Citation: Gh. De Weert-van Oene et al., Retention in substance dependence treatment: the relevance of in-treatmentfactors, J SUBST ABU, 20(4), 2001, pp. 253-261
Authors:
De Weert-Van Oene, GH
De Jong, CAJ
Jorg, F
Schrijvers, GJP
Citation: Gh. De Weert-van Oene et al., Measurements, instruments, scales, and tests - The Helping Alliance Questionnaire: Psychometric properties in patients with substance dependence, SUBST USE M, 34(11), 1999, pp. 1549-1569