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American Journal of Human Biology > 23 > 3 > 346 - 352
European Journal of Pediatrics > 2010 > 169 > 6 > 695-703
Preventive Medicine > 2004 > 38 > 5 > 558-564
American Journal of Human Biology > 23 > 3 > 346 - 352
European Journal of Pediatrics > 2010 > 169 > 6 > 695-703
Preventive Medicine > 2004 > 38 > 5 > 558-564