TY  - RPRT
TI  - Surfer's knots. Associated bone changes and medical problems.
AU  - D W Gelfand
PY  - 1966
DO  - 10.1001/jama.197.2.149
UR  - https://pubmed.ncbi.nlm.nih.gov/5952501/
ID  - 5952501
ER  -