Mental retardation in Norway: prevalence and sub-classification in a cohort of 30 037 children born between 1980 and 1985
P Strømme, K ValvatneVolume:
87
Year:
1998
Language:
english
Pages:
6
DOI:
10.1111/j.1651-2227.1998.tb01440.x
File:
PDF, 89 KB
english, 1998