TY  - RPRT
TI  - [Levorin tolerance in its long-term use].
AU  - G A Mikhaĭlets
AU  - N M Ivanov
AU  - A M Margolin
PY  - 1974
UR  - https://pubmed.ncbi.nlm.nih.gov/4139768/
ID  - 4139768
ER  -