e-Medicine: Genetics and Metabolic Disease: MKS Meckel-Gruber syndrome, an introduction, clinical, differentials, work up, treatment and follow up. http://www.emedicine.com/ped/topic1390.htm
NORD: Meckel Syndrome A general discussion and alternate names along with further resources. http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Meckel%20Syndrome