Narvaez, Joana C. M.; Jansen, Karen; Pinheiro, Ricardo T.; Kapczinski, Flávio; Silva, Ricardo A.; Pechansky, Flávio; Magalhães, Pedro V. (2014-08-01). "Psychiatric and substance-use comorbidities associated with lifetime crack cocaine use in young adults in the general population". Comprehensive Psychiatry. 55 (6): 1369–1376. doi:10.1016/j.comppsych.2014.04.021. ISSN1532-8384. PMID24933652.
Narvaez, Joana C. M.; Jansen, Karen; Pinheiro, Ricardo T.; Kapczinski, Flávio; Silva, Ricardo A.; Pechansky, Flávio; Magalhães, Pedro V. (2014-08-01). "Psychiatric and substance-use comorbidities associated with lifetime crack cocaine use in young adults in the general population". Comprehensive Psychiatry. 55 (6): 1369–1376. doi:10.1016/j.comppsych.2014.04.021. ISSN1532-8384. PMID24933652.
Narvaez, Joana C. M.; Jansen, Karen; Pinheiro, Ricardo T.; Kapczinski, Flávio; Silva, Ricardo A.; Pechansky, Flávio; Magalhães, Pedro V. (2014-08-01). "Psychiatric and substance-use comorbidities associated with lifetime crack cocaine use in young adults in the general population". Comprehensive Psychiatry. 55 (6): 1369–1376. doi:10.1016/j.comppsych.2014.04.021. ISSN1532-8384. PMID24933652.