Authors: Joan Liverpool; Randell Alexander; Melba Johnson; Ebba K Ebba; Shelly Francis; Charles Liverpool Journal: J Natl Med Assoc Date: 2004-06 Impact factor: 1.798
Authors: Richard Harding; Karen Stewart; Katherine Marconi; Joseph F O'Neill; Irene J Higginson Journal: BMC Public Health Date: 2003-10-23 Impact factor: 3.295