TY  - RPRT
TI  - [Our experience with outside laboratory quality control].
AU  - D Dochev
AU  - V Arakasheva
AU  - A Nashkov
AU  - K Tsachev
PY  - 1979
UR  - https://pubmed.ncbi.nlm.nih.gov/494628/
ID  - 494628
ER  -