TY  - RPRT
TI  - A program package for self-assessment and examination in biochemistry.
AU  - G P Kossekova
AU  - N C Vrabchev
AU  - L M Sirakov
PY  - 1989
DO  - 10.1016/0010-4825(89)90090-5
UR  - https://pubmed.ncbi.nlm.nih.gov/2721163/
ID  - 2721163
ER  -