TY  - RPRT
TI  - Volunteer work and developing activities.
AU  - G Ulrich Exner
AU  - Christian Reize
AU  - Henri Bensahel
PY  - 2006
DO  - 10.1097/01202412-200607000-00015
UR  - https://pubmed.ncbi.nlm.nih.gov/16751744/
ID  - 16751744
ER  -