@misc{indiciae896c86043f8e, title = {Rickettsial endocarditis.}, author = {N R GRIST}, year = {1963}, doi = {10.1136/bmj.1.5344.1540-a}, url = {https://pubmed.ncbi.nlm.nih.gov/13950594/}, note = {Source identifier: 13950594} }