TY  - RPRT
TI  - [The polyclinic: its function and development in modern medicine].
AU  - N Zöllner
PY  - 1969
DO  - 10.1055/s-0028-1110368
UR  - https://pubmed.ncbi.nlm.nih.gov/5806491/
ID  - 5806491
ER  -