Authors: M Contreras; J A Barbara; C C Anderson; E Ranasinghe; C Moore; M T Brennan; D R Howell; S Aloysius; A Yardumian Journal: Lancet Date: 1991-03-30 Impact factor: 79.321
Authors: C L Van der Poel; H T Cuypers; H W Reesink; A J Weiner; S Quan; R Di Nello; J J Van Boven; I Winkel; D Mulder-Folkerts; P J Exel-Oehlers Journal: Lancet Date: 1991-02-09 Impact factor: 79.321
Authors: G Kuo; Q L Choo; H J Alter; G L Gitnick; A G Redeker; R H Purcell; T Miyamura; J L Dienstag; M J Alter; C E Stevens Journal: Science Date: 1989-04-21 Impact factor: 47.728