A polishing article and its use as a polishing article for various substrates, especially for polishing a semiconductor wafer. In a preferred embodiment, the invention provides devices and methods for aligning pre-surgical image of optical tissues or structures, e. Based on the tag information embedded in the received program, a TV commerce terminal 1 specifies any one URL and then fetches the CM having the URL assigned. These slightly hydrophobic heparin derivatives are efficiently absorbed in the gastrointestinal tract and can be used in oral dosage forms.