Authors: Ashton, CM Petersen, NJ Souchek, J Menke, TJ Pietz, K Yu, HJ Wray, NP

Citation: Cm. Ashton et al., Rates of health services utilization and survival in patients with heart failure in the Department of Veterans Affairs Medical Care System, AM J MED QU, 14(1), 1999, pp. 55-63

Authors: Ashton, CM Petersen, MPHNJ Souchek, J Menke, TJ Yu, HJ Pietz, K Eigenbrodt, ML Barbour, G Kizer, KW Wray, NP

Citation: Cm. Ashton et al., Geographic variations in utilization rates in Veterans Affairs hospitals and clinics, N ENG J MED, 340(1), 1999, pp. 32-39

Authors: Pogarell, O Eichhorn, T Kupsch, A Oertel, WH Brundin, P Hagell, P Odin, P Pietz, K Widner, H Lindvall, O

Citation: O. Pogarell et al., Preliminary clinical experience with neural transplantation: Two case reports, MINIMALLY INVASIVE TECHNIQUES FOR NEUROSURGERY, 1998, pp. 277-280