We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFactors that lead to the use of crack cocaine in combination with marijuana in Brazil: a qualitative study.AuthorsGonçalves, Janaina R.; Nappo, Solange A.PublicationBMC Public Health, 2015, Vol 15, Issue 1, p706ISSN1471-2458Publication typearticleDOI10.1186/s12889-015-2063-0