Authors: R Bernabei; G Gambassi; K Lapane; F Landi; C Gatsonis; R Dunlop; L Lipsitz; K Steel; V Mor Journal: JAMA Date: 1998-06-17 Impact factor: 56.272
Authors: Sheila Payne; Chris Kerr; Sheila Hawker; David Seamark; Carol Davis; Helen Roberts; Nicola Jarrett; Paul Roderick; Helen Smith Journal: J R Soc Med Date: 2004-09 Impact factor: 18.000