@misc{indiciaef03a53249a89, title = {Alexander Roy McGregor.}, author = {L J O'Keefe}, year = {1970}, doi = {10.5694/j.1326-5377.1970.tb50214.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4919273/}, note = {Source identifier: 4919273} }