Ramps and rails
- PMID: 1827742
- PMCID: PMC1669507
- DOI: 10.1136/bmj.302.6782.951
Ramps and rails
Comment in
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Gradients of portable ramps.BMJ. 1991 May 25;302(6787):1277. doi: 10.1136/bmj.302.6787.1277-b. BMJ. 1991. PMID: 2043869 Free PMC article. No abstract available.
References
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- BMJ. 1990 Sep 1;301(6749):424-8 - PubMed
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