1. Generalized gastrointestinal polyposis: an unusual syndrome of polyposis, pigmentation, alopecia and onychotrophia;Cronkhite, Jr., L.W.; Canada, W.J.;New Engi. J. Med,1955
2. Idiopathic hypoparathyroidism: a report of 2 cases;Emerson, Jr., K.; Walsh, F.B.; Howard, J.E.;Ann. intern. Med,1941
3. Jarnum, S., and Jensen, H. (1966). Gastroenterology 1, 107-118.
4. Gastrointestinal polyposis associated with alopecia, pigmentation, and atrophy of the fingernails and toenails;Johnston, M.M.; Vosburgh, J.W.; Wiens, A.T.; Walsh, G.C.;Ibid,1962
5. Ectodermal disorders in chronic hypoparathyroidism;Learner, N.; Brown, C.L.;J. clin. Endocr,1943