TY  - RPRT
TI  - Radiolabelled methotrexate: a warning.
AU  - A H Calvert
AU  - M Jarman
PY  - 1979
DO  - 10.1016/s0140-6736(79)90569-5
UR  - https://pubmed.ncbi.nlm.nih.gov/84197/
ID  - 84197
ER  -