TY  - RPRT
TI  - [--what is the lesson?].
AU  - Robert Zangerle
PY  - 2004
DO  - 10.1046/j.1439-0353.2004.04726.x
UR  - https://pubmed.ncbi.nlm.nih.gov/16279227/
ID  - 16279227
ER  -