Ossification of various parts of the spinal ligament have been reported previously. Among them, ossification of both the PAAM and TAL has never been reported previously and is thus extremely rare. Surgical intervention improved the neurological impairment.

A simple and sensitive immunoradiometric assay (IRMA) for intact human adrenocorticotropic hormone (ACTH) was developed using a monoclonal and a polyclonal antiserum both of which were raised against synthetic human ACTH(]-39) as an immunogen. A monoclonal antibody, specific for the 18-39 sequence of human ACTH, was immobilized on polystyrene beads for the solid phase, and a polyclonal antiserum specific for the I-24 sequence was radiolabelled. This method relies on the formation of an immune complex consisting of a 1251-labelled polyclonal

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