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Cognitive development: One-year-old.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Cognitive-Development-One-Year-Old.aspxOpens a new window[Accessed January 2017]
AAP.
Cognitive development: Two-year-old.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Cognitive-Development-Two-Year-Old.aspxOpens a new window[Accessed January 2017]
AAP.
Language development: 1 year olds.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Language-Development-1-Year-Olds.aspxOpens a new window[Accessed January 2017]
AAP.
Language development: 2 year olds.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Language-Development-2-Year-Olds.aspxOpens a new window[Accessed January 2017]
Nemours Foundation.
Toddler reading time.http://kidshealth.org/en/parents/reading-toddler.htmlOpens a new window[Accessed January 2017]
NIH.
Speech and language developmental milestones.