Workshop on Applications of EPR in Biology and Medicine 2001 5th Workshop on Applications of EPR in Biology and Medicine : Krakow, Poland from 30th September - 3rd October, 2001 ; collection of papers 1998 Collection of papers presented during the 4th Workshop on Applications of EPR in Biology and Medicine, which took place in the Institute of Molecular Biology, Jagiellonian University, Kraków, Poland from 27 September - 02 October, 1998