TY  - RPRT
TI  - Reflections on tissue characterisation.
AU  - E T Costa
AU  - S Leeman
PY  - 1989
DO  - 10.1088/0031-9155/34/11/014
UR  - https://pubmed.ncbi.nlm.nih.gov/2587629/
ID  - 2587629
ER  -