While iron chelation augmented ALA-PDT phototoxicity in normal skin, this occurred only at low ALA dose. Addition of DFO does not appear to confer additional benefit in ALA-PDT of nonmelanoma skin cancers.
Intravenous injections of lymph node cells from immunized BALB/c and (C57BL/‐6 X A) F1 mice and from immunized sheep induced regression or inhibition of established grafts of a methylcholanthrene‐induced sarcoma in syngeneic BALB/c mice.
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