TY  - RPRT
TI  - [Theoretical and methodological problems in morbidity examinations].
AU  - G Enderlein
AU  - H Stach
AU  - W Wiesner-Balcke
PY  - 1979
UR  - https://pubmed.ncbi.nlm.nih.gov/463128/
ID  - 463128
ER  -