@misc{indiciae2388e98f4436, title = {Acute primary pericarditis.}, author = {I A FEDER and J HOFFMAN and H SUGAR}, year = {1950}, doi = {10.1097/00000441-195008000-00004}, url = {https://pubmed.ncbi.nlm.nih.gov/15432449/}, note = {Source identifier: 15432449} }