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3. Shwachman's syndrome. A review of 21 cases;Aggett, P.J.; Cavanagh, N.P.C.; Matthew, D.J.; Pincott, JR, Sutcliffe; J, Harries; T.;Arch Dis Child,1980
4. Symptoms pattern in hyperactive, neurotic and normal children;Conners, C.K.;Child Dev,1970
5. Right and left hand skill II, estimating parameters of the distribution of L-R differences in males and females;Annett, M.; Kilshaw, D.;Br J Psychol,1983