@misc{indiciae6c8d43a51dde, title = {Portable heparin injector.}, author = {J O'Riordan and W MacGowan}, year = {1970}, doi = {10.1016/s0140-6736(70)90139-x}, url = {https://pubmed.ncbi.nlm.nih.gov/4194963/}, note = {Source identifier: 4194963} }