@misc{indiciae413390144927, title = {Case 3. Achalasia.}, author = {C F Mueller and R J Klecker and M A King}, year = {2000}, doi = {10.2214/ajr.175.3.1750870}, url = {https://pubmed.ncbi.nlm.nih.gov/10954487/}, note = {Source identifier: 10954487} }