%0 Journal Article
%T Is tramadol associated to bleeding peptic ulcer? A nationwide case-control study in hospitalized Swedish patients
%A Buster Mannheimer
%A Hans J£¿rnbert-Pettersson
%A Jonatan D. Lindh
%A Katarina Bil¨¦n
%A Marine L. Andersson
%A Olle Brostr£¿m
%J Archive of "PLoS ONE".
%D 2019
%R 10.1371/journal.pone.0215356
%U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6469788/