Brandt EN.
J Okla State Med Assoc. 1986 Apr;79(4):241-3.
PMID: 3712120

McKay DA.
Arch Fam Med. 1995 Jun;4(6):497-8. doi: 10.1001/archfami.4.6.497.
PMID: 7773422

Waegemann CP.
Physicians Manage. 1982 Sep;22(9):95-6, 98.
PMID: 10258076

Swogger G.
Physician Exec. 1988 Jul-Aug;14(4):9-11.
PMID: 10312704

Soffer A.
Arch Intern Med. 1985 Feb;145(2):232-3.
PMID: 3838430

O'NEILL D.
Lancet. 1959 Sep 12;2(7098):301-3. doi: 10.1016/s0140-6736(59)91353-4.
PMID: 14428108

Lutter LD.
Foot Ankle Int. 1999 Jan;20(1):1-2. doi: 10.1177/107110079902000101.
PMID: 9921764