TY  - RPRT
TI  - Alexander Roy McGregor.
AU  - L J O'Keefe
PY  - 1970
DO  - 10.5694/j.1326-5377.1970.tb50214.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4919273/
ID  - 4919273
ER  -