PROBLEM TO BE SOLVED: To provide a label slightly affecting an organism without causing falling off and omission of discoveries and reports.;SOLUTION: The label 6 is obtained by describing marks 4 such as an application for survey cooperation, an agency for carrying out survey or a contact address on a flat magnetic film 3, rolling the film 3, folding the rolled film 3, shaping (miniaturizing) the folded rolled film 3 into a cylindrical form with a water-soluble adhesive 5 and providing the label 6. The resultant label 6 is then embedded in a peritoneal cavity 8 of the organism of the object of the label.;COPYRIGHT: (C)2003,JPO
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