TY - GEN AU - Alberman,E TI - Estimate of prevalence of mild mental retardation: methodological aspects SN - 0300-9726 PY - 1988///0502 KW - Adult KW - Child KW - Child, Preschool KW - Epidemiologic Methods KW - Evaluation Studies as Topic KW - Humans KW - Intellectual Disability KW - classification N1 - Publication Type: Journal Article ER -