Induction of pigmentation by continuous X-irradiation of amelanotic tumors of B16-XI mouse melanoma and induced change in chromosomes of amelanotic cells
1. Physiology and Pathology, National Institute of Radiological Sciences, Anagawa 4-9-1, Chiba, Japan 260 2. Department of Pathology, Faculty of Medicine, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo-ku, Tokyo 113