El-Sobky, Tamer A.; Fayyad, Tamer A.; Kotb, Ahmed M.; Kaldas, Beshoy (2017). "Bony reconstruction of hip in cerebral palsy children Gross Motor Function Classification System levels III to V". Journal of Pediatric Orthopaedics B. 27 (3): 221–230. doi:10.1097/BPB.0000000000000503. PMID28953164. S2CID4204446.
Rethlefsen, Susan A.; Ryan, Deirdre D.; Kay, Robert M. (October 2010). "Classification Systems in Cerebral Palsy". Orthopedic Clinics of North America. 41 (4): 457–467. doi:10.1016/j.ocl.2010.06.005. PMID20868878.
Reid, Susan M; Carlin, John B; Reddihough, Dinah S (November 2011). "Using the Gross Motor Function Classification System to describe patterns of motor severity in cerebral palsy". Developmental Medicine & Child Neurology. 53 (11): 1007–1012. doi:10.1111/j.1469-8749.2011.04044.x. PMID22014320.
Posłuszny, Adam; Myśliwiec, Andrzej; Saulicz, Edward; Doroniewicz, Iwona; Linek, Paweł; Wolny, Tomasz (4 March 2016). "Current understanding of the factors influencing the functional independence of people with cerebral palsy: a review of the literature". International Journal of Developmental Disabilities. 63 (2): 77–90. doi:10.1080/20473869.2016.1145396. S2CID147588114.
El-Sobky, Tamer A.; Fayyad, Tamer A.; Kotb, Ahmed M.; Kaldas, Beshoy (2017). "Bony reconstruction of hip in cerebral palsy children Gross Motor Function Classification System levels III to V". Journal of Pediatric Orthopaedics B. 27 (3): 221–230. doi:10.1097/BPB.0000000000000503. PMID28953164. S2CID4204446.
Rethlefsen, Susan A.; Ryan, Deirdre D.; Kay, Robert M. (October 2010). "Classification Systems in Cerebral Palsy". Orthopedic Clinics of North America. 41 (4): 457–467. doi:10.1016/j.ocl.2010.06.005. PMID20868878.
Reid, Susan M; Carlin, John B; Reddihough, Dinah S (November 2011). "Using the Gross Motor Function Classification System to describe patterns of motor severity in cerebral palsy". Developmental Medicine & Child Neurology. 53 (11): 1007–1012. doi:10.1111/j.1469-8749.2011.04044.x. PMID22014320.
El-Sobky, Tamer A.; Fayyad, Tamer A.; Kotb, Ahmed M.; Kaldas, Beshoy (2017). "Bony reconstruction of hip in cerebral palsy children Gross Motor Function Classification System levels III to V". Journal of Pediatric Orthopaedics B. 27 (3): 221–230. doi:10.1097/BPB.0000000000000503. PMID28953164. S2CID4204446.
Posłuszny, Adam; Myśliwiec, Andrzej; Saulicz, Edward; Doroniewicz, Iwona; Linek, Paweł; Wolny, Tomasz (4 March 2016). "Current understanding of the factors influencing the functional independence of people with cerebral palsy: a review of the literature". International Journal of Developmental Disabilities. 63 (2): 77–90. doi:10.1080/20473869.2016.1145396. S2CID147588114.