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Lewis DT, Hodgin EC, Foil CS, Cox HU, Roy AF, Lewis DD.Lewis DT, et al. Among authors: foil cs.Vet Dermatol. 1994 Dec;5(4):189-195. doi: 10.1111/j.1365-3164.1994.tb00030.x.Vet Dermatol. 1994.PMID: 34644968Review.
Foil CS.Foil CS.Vet Clin North Am Small Anim Pract. 1995 Jul;25(4):923-44. doi: 10.1016/s0195-5616(95)50135-4.Vet Clin North Am Small Anim Pract. 1995.PMID: 8525574Review.