543,381 HELSING ELISABET [red .] Project report : results and policy implications of the crossnational investigation : rethinking infant nutrition policies under changing socio-economic conditions / ed. by Thomas J. Marchione and Elisabet Helsing. -Stockholm : Almqvist and Wiksell, [1984] -61 s, : wykr. ; 25 cm (Acta Paediatrica Scandinavica, ISSN 0300-8843 ; suppl. 314)