A protein mixture that is useful in the treatment of wounds, where the
mixture is isolated from bone or is produced from recombinant proteins
and may include two or more of BMP-2, BMP-3, BMP-4, BMP-5, BMP-6, BMP-7,
TGF-.beta.1, TGF-.beta.2, TGF-.beta.3, and FGF-1.