| − | '''Christian Demyer Franken syndrome''' is an extremely rare disease, affecting less than 1 person in every 2000<ref>http://www.wrongdiagnosis.com/c/christian_demyer_franken_syndrome/prevalence.htm</ref>. It causes mental retardation and skeletal abnormalities<ref>http://www.wrongdiagnosis.com/c/christian_demyer_franken_syndrome/intro.htm</ref>. | + | '''Christian Demyer Franken syndrome''' is an extremely rare [[disease]], affecting less than 1 person in every 2000<ref>http://www.wrongdiagnosis.com/c/christian_demyer_franken_syndrome/prevalence.htm</ref>. It causes mental retardation and [[skeletal]] abnormalities<ref>http://www.wrongdiagnosis.com/c/christian_demyer_franken_syndrome/intro.htm</ref>. |