Authors: Isabelle Parent du Châtelet; Anwar T Merchant; Susan Fisher-Hoch; Stephen P Luby; Stanley A Plotkin; Tariq Moatter; Mubina Agboatwalla; Joseph B McCormick Journal: Vaccine Date: 2003-04-02 Impact factor: 3.641
Authors: P E Slater; W A Orenstein; A Morag; A Avni; R Handsher; M S Green; C Costin; A Yarrow; S Rishpon; O Havkin Journal: Lancet Date: 1990-05-19 Impact factor: 79.321