Hickey, F; Hickey, E; Summar, KL. "Medical update for children with Down syndrome for the pediatrician and family practitioner". Advances in Pediatrics. 59 (1). 2012: 137–57. doi:10.1016/j.yapd.2012.04.006. ISSN0065-3101. PMID22789577.
nih.gov
ncbi.nlm.nih.gov
Michel E. Weijerman və J. Peter de Winter. "Clinical practice"(ingilis). ncbi.nlm.nih.gov. 2019-12-17 tarixində arxivləşdirilib. İstifadə tarixi: 2021-04-12.
Hickey, F; Hickey, E; Summar, KL. "Medical update for children with Down syndrome for the pediatrician and family practitioner". Advances in Pediatrics. 59 (1). 2012: 137–57. doi:10.1016/j.yapd.2012.04.006. ISSN0065-3101. PMID22789577.
Michel E. Weijerman və J. Peter de Winter. "Clinical practice"(ingilis). ncbi.nlm.nih.gov. 2019-12-17 tarixində arxivləşdirilib. İstifadə tarixi: 2021-04-12.
Hickey, F; Hickey, E; Summar, KL. "Medical update for children with Down syndrome for the pediatrician and family practitioner". Advances in Pediatrics. 59 (1). 2012: 137–57. doi:10.1016/j.yapd.2012.04.006. ISSN0065-3101. PMID22789577.