By Marshall R.J.   in Group

ISSN:0362-4021|27|2-3|107-120

Springer Publishing Company ‎(2003)‎

Access to resources Favorite 15.395915

By Marshall R. J.   in Journal of Epidemiology and Biostatistics

ISSN:1359-5229|6|4|343-348

Taylor & Francis Ltd‎(2001)‎

Access to resources Favorite 5.3345895