[1] UNIV OCCUPAT & ENVIRONM HLTH,DEPT ORTHOPED SURG,YAHATANISHI KU,KITAKYUSHU,FUKUOKA 807,JAPAN
[2] FUKUSHIMA MED COLL,DEPT ORTHOPED SURG,FUKUSHIMA,JAPAN
[3] ZERIA PHARMACEUT CO LTD,CENT RES,DEPT PHARMACOL,KONAN,SAITAMA,JAPAN
[4] MITSUBISHI YUKA BIOCLIN LABS,TOKYO,JAPAN