@misc{indiciae2a9ea70c2872, title = {Smoking and acute appendicitis.}, author = {B K Butland and D P Strachan}, year = {1999}, doi = {10.1016/s0140-6736(05)77025-2}, url = {https://pubmed.ncbi.nlm.nih.gov/10335819/}, note = {Source identifier: 10335819} }