Search results for: Valborg L. Kvigne
Maternal and Child Health Journal > 2008 > 12 > 6 > 760-765
Maternal and Child Health Journal > 2008 > 12 > 1 > 37-45
The Journal of Pediatrics > 2004 > 145 > 5 > 635-640
American Journal of Preventive Medicine > 1999 > 16 > 3 > 240-243