Testosterone derivatives and assay method
Tetrapyrrole therapeutic agents
Thermochromic mixtures
Thyroxine (T.sub.4) radioimmunoassay
Tissue fixative
Tissue fixative solution and method
Tissue processing for immunofluorescence microscopy
Tissue processing method
Tissue staining method and composition
Tolyl isocyanate and toluene diisocyanate test antigens, methods
Tolyl isocyanate test antigens, methods for their preparation an
Tooth-paste with brushing time indicator
Toothpaste permitting of controlling the tooth brushing time
Tracer for circulation determinations
Transport vehicles for macromolecules
Transport vehicles for macromolecules
Triiodinated 5-aminoisophthalic acid derivatives
Triiodinated aminoacetamido isophthalamide x-ray contrast agents
Triiodoisophthalamide X-ray contrast agent
Tumor localization and therapy with labeled anti-CEA antibody