TY  - RPRT
TI  - How do you know?
AU  - J T Rosenbaum
AU  - A Deodhar
AU  - E B Suhler
AU  - J R Smith
PY  - 2004
DO  - 10.1136/bjo.2004.042986
UR  - https://pubmed.ncbi.nlm.nih.gov/15258008/
ID  - 15258008
ER  -