TY  - RPRT
TI  - Rationale for combined therapy.
AU  - E Frei
PY  - 1977
DO  - 10.1002/1097-0142(197707)40:1+<569::aid-cncr2820400723>3.0.co;2-d
UR  - https://pubmed.ncbi.nlm.nih.gov/267506/
ID  - 267506
ER  -