Von Recklinghausen Neurofibromatosis
NEJM 305:1617-1627, Riccardi,V.M., 1981
Gastorintestinal Manifestations of Scleroderma
Gastroenterol Clin 27:563-594, Rose,S.,et al, 1998
Gastrointestinal Dysfunction in Parkinson's Disease:Frequency and Pathophysiology
Neurol 42:726-732, Edwards,L.L.,et al, 1992
Case Records of the MassGeneral Hospital, Case 41-1975, Acute Intermittent Porphyria
NEJM 293:817, Woods,B., 1975
Case Records of MGH
NEJM 290:1426, 1974. Neurofibromatosis, , 1974