Authors: P F Coccia; W Krivit; J Cervenka; C Clawson; J H Kersey; T H Kim; M E Nesbit; N K Ramsay; P I Warkentin; S L Teitelbaum; A J Kahn; D M Brown Journal: N Engl J Med Date: 1980-03-27 Impact factor: 91.245
Authors: C A Sieff; J M Chessells; R J Levinsky; J Pritchard; D W Rogers; A Casey; K Muller; C M Hall Journal: Lancet Date: 1983-02-26 Impact factor: 79.321