Authors: E Pizzichini; J A Leff; T F Reiss; L Hendeles; L P Boulet; L X Wei; A E Efthimiadis; J Zhang; F E Hargreave Journal: Eur Respir J Date: 1999-07 Impact factor: 16.671
Authors: M E Wechsler; D Finn; D Gunawardena; R Westlake; A Barker; S P Haranath; R A Pauwels; J C Kips; J M Drazen Journal: Chest Date: 2000-03 Impact factor: 9.410