By Grais R.F.   Hugh Ellis J.   Glass G.E.   in European Journal of Epidemiology

ISSN:0393-2990|18|11|1065-1072

Springer Publishing Company ‎(2003)‎

Access to resources Favorite 12.016434

By Grais R.F.   Ellis J.H.   Kress A.   Glass G.E.   in Health Care Management Science

ISSN:1386-9620|7|2|127-134

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 10.317101