Studying psychoactive substance use in injured patients: Does exclusion of late arriving patients bias the results?
Stig Tore Bogstrand, Ingeborg Rossow, Per Trygve Normann, Øivind EkebergVolume:
127
Year:
2013
Language:
english
DOI:
10.1016/j.drugalcdep.2012.06.029
File:
PDF, 342 KB
english, 2013