1. The pathology of meconium ileus equivalent;Jeffrey, I.; Durrans, D.; Wells, M.; Fox, H.;J Clin Pathol,1983
2. A histochemical comparison of human epithelial mucins in normal and in hypersecretory states including pancreatic cystic fibrosis;Lev, R.; Spicer, S.;Am J Pathol,1965
3. and coleagues comment as follows: We are grateful to Dr Lev for the interest he has shown in our case report and we are, of course, familiar with his and Dr Spicer's early publication on the histochemistry of mucus in cystic fibrosis. Their paper was not quoted because, to a large extent, their qualitative work has been confirmed and superseded by the quantitative study of Morrissey and Tymvois,' who cite the 1965 article;Jeffrey