- Nasal epithelial ion transport and genetic analysis of infertile men with congenital bilateral absence of the vas deferens. Osborne, L.R., Lynch, M., Middleton, P.G., Alton, E.W., Geddes, D.M., Pryor, J.P., Hodson, M.E., Santis, G.K. Hum. Mol. Genet. (1993)