Bio-Chemo is a combination of chemo drugs, generally 5, Dr's choice, administered at once.
Interferon is a single chemo, sometimes used as one of five in the Bio-Chemo theapry.
BioChemo is harder theapry, generally in the hopsital 1 week for treatment, 2 weeks off, then repeat, for 6/7 months, Doctors call.. You hate to use this saying, however no pain, no gain.