TY  - RPRT
TI  - Foreword.
AU  - Helmut Friess
AU  - Markus W Büchler
PY  - 2002
DO  - 10.1097/00042737-200209000-00001
UR  - https://pubmed.ncbi.nlm.nih.gov/12352210/
ID  - 12352210
ER  -