University students' perceived norms of peers and drug use: a multicentric study in five Latin American countries
Rev. latinoam. enferm; 17 (spe), 2009
This cross-sectional study compared perceived peer drug use and actual drug use in a sample of Latin American university students. Students from nine universities in five countries (Brazil, Chile, Colombia, Honduras and Peru) completed a questionnaire that addressed the use of tobacco, alcohol, marijuana...