The keratodermas are classified into the following subgroups:2: 506
WordNet Search - 3.0[permanent dead link] http://wordnet.princeton.edu/perl/webwn?s=keratoderma ↩
Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0. /wiki/ISBN_(identifier) ↩
Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. p. 778. ISBN 978-1-4160-2999-1. 978-1-4160-2999-1 ↩