Pitt, D.; Hopkins, I. (1978). "A syndrome of mental retardation, wide mouth and intermittent overbreathing". Australian Paediatric Journal. 14 (3): 182–184. doi:10.1111/jpc.1978.14.3.182. PMID728011. S2CID45629810.
Pitt, D.; Hopkins, I. (1978). "A syndrome of mental retardation, wide mouth and intermittent overbreathing". Australian Paediatric Journal. 14 (3): 182–184. doi:10.1111/jpc.1978.14.3.182. PMID728011. S2CID45629810.
Pitt, D.; Hopkins, I. (1978). "A syndrome of mental retardation, wide mouth and intermittent overbreathing". Australian Paediatric Journal. 14 (3): 182–184. doi:10.1111/jpc.1978.14.3.182. PMID728011. S2CID45629810.