@misc{indiciae9dd61fce488e, title = {S, m, l, xl.}, author = {T Wang and G Triadafilopoulos}, year = {2003}, doi = {10.1136/gut.52.1.5}, url = {https://pubmed.ncbi.nlm.nih.gov/12477746/}, note = {Source identifier: 12477746} }