作者单位:
Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany
[1]
Department of Pediatrics, Kuopio University Hospital, Puijonlaaksontie 2, 70210 Kuopio, Finland
[2]
Department of Environmental Health, National Institute for Health and Welfare, Kuopio, Finland
[3]
发布时间
2013-11-20