Authors: G Tudor-Williams; J Frankland; D Isaacs; R T Mayon-White; J A MacFarlane; D G Rees; E R Moxon Journal: Arch Dis Child Date: 1989-04 Impact factor: 3.791
Authors: T L Gustafson; A W Lievens; P A Brunell; R G Moellenberg; C M Buttery; L M Sehulster Journal: N Engl J Med Date: 1987-03-26 Impact factor: 91.245
Authors: L E Markowitz; J Sepulveda; J L Diaz-Ortega; J L Valdespino; P Albrecht; E R Zell; J Stewart; M L Zarate; R H Bernier Journal: N Engl J Med Date: 1990-03-01 Impact factor: 91.245