==المراجع==*Trisomy 18 Foundation, Inc.*SOFT USA Support Organization For Trisomy 18, 13, and Related Disorders*Trisomy 18 Support Program*Chromosome 18 Clinical Research Center* SOFT UK Support Organisation for trisomy 13/18 and related disorders*The Chromosome 18 Registry & Research Society*Perinatal Hospice Care - Preparing for birth and death"*Humpath #5389www.werathah.comhttp://www.chromosome18.org/o Centre for Genetics Education in Sydney, Australiahttp://www.genetics.com.auo eMedicine.com, Inchttp://www.emedicine.com/o UNIVERSITY OF MARYLAND MEDICINEhttp://www.umm.edu/
==See also==* 18q deletion syndrome==References====External links==*Trisomy 18 Foundation, Inc.*SOFT USA Support Organization For Trisomy 18, 13, and Related Disorders*Trisomy 18 Support Program*Chromosome 18 Clinical Research Center* SOFT UK Support Organisation for trisomy 13/18 and related disorders*The Chromosome 18 Registry & Research Society*Perinatal Hospice Care - Preparing for birth and death"*Humpath #5389