Resources:

Chronic Intestinal Pseudo-Obstruction:

National Digestive Diseases Information Clearinghouse
http://digestive.niddk.nih.gov/ddiseases/pubs/intestinalpo/index.htm#cause

Wikipedia
http://en.wikipedia.org/wiki/Intestinal_pseudoobstruction

IFFGD
http://www.aboutkidsgi.org/site/about-gi-health-in-kids/functional-gi-and-motility-disorders/intestinal-pseudo-obstruction

Gastroparesis:

National Digestive Diseases Information Clearinghouse
http://digestive.niddk.nih.gov/ddiseases/pubs/gastroparesis/

Mayo Clinic
http://www.mayoclinic.com/health/gastroparesis/DS00612

Jackson/Seigelbaum Gastroenterology
http://www.gicare.com/diseases/Gastroparesis.aspx

American College of Gastroenterology
http://www.gi.org/patients/gihealth/gastroparesis.asp

Gastroparesis and Diabetes:

American Diabetes Association
http://www.diabetes.org/type-1-diabetes/Gastroparesis.jsp

University of Virgina
http://www.healthsystem.virginia.edu/internet/digestive-health/nutrition/dm-gastroparesis.pdf

WebMD
http://diabetes.webmd.com/gastroparesis-and-other-stomach-problems