TY  - RPRT
TI  - An adjustable angle short-arm crutch.
AU  - B K Armstrong
AU  - P M Goatcher
PY  - 1971
DO  - 10.1093/rheumatology/11.3.134
UR  - https://pubmed.ncbi.nlm.nih.gov/5572023/
ID  - 5572023
ER  -