A hanger according to the invention includes a cross member with a centrally located hook. A web is formed between the hook and the cross member and is adapted to receive a conventional indicator. The web includes a rib, followed by a valley, followed by a ramp, followed by a plateau. According to the invention, the rib is beveled at the one end and a notch is provided in the web adjacent the beveled end of the rib, the notch extending from the rib to the ramp or to the plateau. The indicator is easily removed from the rib by pressing it into the notch, then sliding it off the web.

 
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> Differentiation of bone marrow cells into neuronal cells and uses therefor

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