Online Mendelian Inheritance in Man - Exhaustive references to case studies of Cohen Syndrome. - http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=OMIM&dopt=Detailed&tmpl=dispomimTemplate&list_uids=216550
Cohen Syndrome: Encyclopedia of Genetic Disorders - Gives the state of knowledge of demographics, genetic cause, and symptoms. - http://health.enotes.com/genetic-disorders-encyclopedia/cohen-syndrome