TY  - RPRT
TI  - Prepatellar calcifications from repeated kneeling.
AU  - M P Stevens
AU  - K E Sack
PY  - 1989
DO  - 10.1056/nejm198907203210319
UR  - https://pubmed.ncbi.nlm.nih.gov/2747758/
ID  - 2747758
ER  -