TY  - RPRT
TI  - Heterotopic bone formation after joint replacement.
AU  - O S Nilsson
AU  - P E Persson
PY  - 1999
DO  - 10.1097/00002281-199903000-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/10319216/
ID  - 10319216
ER  -