TY  - RPRT
TI  - The Roper-Day total shoulder replacement.
AU  - B A Roper
AU  - J M Paterson
AU  - W H Day
PY  - 1990
DO  - 10.1302/0301-620x.72b4.2380229
UR  - https://pubmed.ncbi.nlm.nih.gov/2380229/
ID  - 2380229
ER  -