Authors: Barna D Tugwell; Lore E Lee; Hilary Gillette; Eileen M Lorber; Katrina Hedberg; Paul R Cieslak Journal: Pediatrics Date: 2004-03 Impact factor: 7.124
Authors: Marietta Vázquez; Philip S LaRussa; Anne A Gershon; Linda M Niccolai; Catherine E Muehlenbein; Sharon P Steinberg; Eugene D Shapiro Journal: JAMA Date: 2004-02-18 Impact factor: 56.272