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McNeilly CM, Banes AJ, Benjamin M, Ralphs JR.McNeilly CM, et al. Among authors: benjamin m.J Anat. 1996 Dec;189 ( Pt 3)(Pt 3):593-600.J Anat. 1996.PMID: 8982835Free PMC article.
Rufai A, Benjamin M, Ralphs JR.Rufai A, et al. Among authors: benjamin m.Anat Embryol (Berl). 1992 Dec;186(6):611-8. doi: 10.1007/BF00186984.Anat Embryol (Berl). 1992.PMID: 1292376
Rufai A, Benjamin M, Ralphs JR.Rufai A, et al. Among authors: benjamin m.Anat Embryol (Berl). 1995 Jul;192(1):53-62. doi: 10.1007/BF00186991.Anat Embryol (Berl). 1995.PMID: 7486001