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Seal US, Plotka ED, Smith JD, Wright FH, Reindl NJ, Taylor RS, Seal MF.Seal US, et al. Among authors: seal mf.Biol Reprod. 1985 Mar;32(2):361-8. doi: 10.1095/biolreprod32.2.361.Biol Reprod. 1985.PMID: 3986268
Asa CS, Seal US, Letellier M, Plotka ED, Peterson EK.Asa CS, et al. Among authors: seal us.Biol Reprod. 1987 Aug;37(1):14-21. doi: 10.1095/biolreprod37.1.14.Biol Reprod. 1987.PMID: 3651541