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Shell L, Davenport DJ, Barber DL, Chickering W.Shell L, et al.J Am Vet Med Assoc. 1989 Apr 15;194(8):1077-8.J Am Vet Med Assoc. 1989.PMID: 2708112Free article.
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Matz ME, Shell L, Braund K.Matz ME, et al. Among authors: shell l.J Am Vet Med Assoc. 1990 Jul 15;197(2):228-30.J Am Vet Med Assoc. 1990.PMID: 2166727Free article.
Schulz KS, Waldron DR, Grant JW, Shell L, Smith G, Shires PK.Schulz KS, et al. Among authors: shell l.Am J Vet Res. 1996 Aug;57(8):1228-32.Am J Vet Res. 1996.PMID: 8836380Free article.
Kuntz CA, Waldron D, Martin RA, Shires PK, Moon M, Shell L.Kuntz CA, et al. Among authors: shell l.J Am Anim Hosp Assoc. 1995 Mar-Apr;31(2):142-50. doi: 10.5326/15473317-31-2-142.J Am Anim Hosp Assoc. 1995.PMID: 7773760