RYDELIUS PER-ADNERS 301,241 NORDBERG LILLEMOR, RYDELIUS PER-ANDERS, ZETTERSTROM ROLF Psychomotor and mental development from birth to age of four years ; sex differences and their relation to home environment : chldren in a new Stockholm suburb ; results from a longitudinal prospective study starting at the beginning of pregnancy /Lillemor Nordberg, Per-Anders Rydelius and Rolf Zetterstrom ; from the Department of Child and Adolescent Psychiatry, Karolinska Institute, St. G8-ran's Children's Hospital, Stockholm. - Stockholm : Almqvist and Wiksell International, 1991. - 25 s. » wykr. | 25 cm (Acta Paediatrica Scandinavica, ISSN 0300-8843 ; suppl. 378)