Elisha Perkins and His Metallic Tractors - PubMed

The rod of Aesculapios: John Haygarth (1740-1827) and Perkins' metallic tractors.

Booth C. Booth C. J Med Biogr. 2005 Aug;13(3):155-61. doi: 10.1177/096777200501300310. J Med Biogr. 2005. PMID: 16059528

The assessment of Perkins' patent metallic "tractors": Abandonment of an 18th-century therapeutic fad following trials using sham instruments.

Lanska DJ. Lanska DJ. J Hist Neurosci. 2019 Apr-Jun;28(2):147-175. doi: 10.1080/0964704X.2019.1589833. Epub 2019 May 22. J Hist Neurosci. 2019. PMID: 31116663

Elisha Perkins and the "terrible tractors".

Roth N. Roth N. Med Instrum. 1977 May-Jun;11(3):176-7. Med Instrum. 1977. PMID: 327219 No abstract available.

Perkins's patent metallic "Tractors": Development, adoption, and early dissemination of an eighteenth-century therapeutic fad.

Lanska DJ. Lanska DJ. J Hist Neurosci. 2019 Apr-Jun;28(2):122-146. doi: 10.1080/0964704X.2019.1589830. Epub 2019 May 22. J Hist Neurosci. 2019. PMID: 31116643

Effectiveness of roll-over protective structures in reducing farm tractor fatalities.

Reynolds SJ, Groves W. Reynolds SJ, et al. Am J Prev Med. 2000 May;18(4 Suppl):63-9. doi: 10.1016/s0749-3797(00)00142-2. Am J Prev Med. 2000. PMID: 10793282 Review.