Authors: H M Rosenberg; J D Maurer; P D Sorlie; N J Johnson; M F MacDorman; D L Hoyert; J F Spitler; C Scott Journal: Vital Health Stat 2 Date: 1999-09
Authors: Scarlett Lin Gomez; Christina A Clarke; Sarah J Shema; Ellen T Chang; Theresa H M Keegan; Sally L Glaser Journal: Am J Public Health Date: 2010-03-18 Impact factor: 9.308