The biosynthesis of free glycine and serine by tumors.
D005998:Glycine / Q000378:metabolism*; D006801:Humans; D009369:Neoplasms / Q000378:metabolism*; D012694:Serine / Q000378:metabolism*
D012694:Serine; D005998:Glycine
GLYCINE/metabolism; NEOPLASMS/metabolism in; SERINE/metabolism