Authors: T Haahtela; M Järvinen; T Kava; K Kiviranta; S Koskinen; K Lehtonen; K Nikander; T Persson; K Reinikainen; O Selroos Journal: N Engl J Med Date: 1991-08-08 Impact factor: 91.245
Authors: L J Anderson; R A Parker; R A Strikas; J A Farrar; E J Gangarosa; H L Keyserling; R K Sikes Journal: Pediatrics Date: 1988-09 Impact factor: 7.124