@misc{indiciae519bca580a89, title = {[Problem forte--is paracetamol-codeine combination rational?].}, author = {Arne Helland and Olav Spigset and Lars Slørdal}, year = {2004}, url = {https://pubmed.ncbi.nlm.nih.gov/15334119/}, note = {Source identifier: 15334119} }