article_metadata: Chathuri Liyanapathirana Shashika Mihirani Arthanayake Sisil Widyaratne Saman Chandana Danajani Senevirathne
article_metadata: 10.1177/2050313X211012506
article_metadata: SAGE Open Med Case Rep
article_metadata: 2021 Apr 27;9:2050313X211012506.
article_metadata: cardiovascular atrial septal defect dyspnoea pulmonary hypertension
article_metadata: CC BY-NC
article_metadata: https://pubmed.ncbi.nlm.nih.gov/33996091/
article_metadata: PMC8082974
article_metadata: 33996091
article_metadata: Case report of an atrial septal defect with negative transthoracic echocardiography, a diagnostic challenge in a middle-aged female with marked dyspnoea
article_metadata: 2021