article_metadata: John Michael DiBianco Archana Nair Richard Williams
article_metadata: 10.1186/s40064-015-1172-7
article_metadata: Springerplus
article_metadata: 2015 Aug 13;4:414.
article_metadata: hamman’s sign pneumothorax precordial sounds
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/26295013/
article_metadata: PMC4532693
article_metadata: 26295013
article_metadata: Post-operative Hamman's sign: a case report
article_metadata: 2015