title: Polymerase chain reaction microanalysis of tumors from stained histological slides.
mesh_terms: D000818:Animals; D001483:Base Sequence; D011905:Genes, ras; D006801:Humans; D008969:Molecular Sequence Data; D009369:Neoplasms / Q000235:genetics* / Q000473:pathology; D016133:Polymerase Chain Reaction; D051381:Rats; D013194:Staining and Labeling