@misc{indiciaed4774a72c7c6, title = {[Practical penicillin].}, author = {R I COHEN}, year = {1953}, doi = {10.1016/s0140-6736(53)90782-x}, url = {https://pubmed.ncbi.nlm.nih.gov/13012000/}, note = {Source identifier: 13012000} }