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- [1] OBSERVATIONS OF AGGREGATING BEHAVIOR IN ADULT MALE POLAR BEARS (URSUS-MARITIMUS) CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE, 1990, 68 (07): : 1390 - 1394
- [7] Organochlorines affect the steroid hormone cortisol in free-ranging polar bears (Ursus maritimus) at Svalbard, Norway JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH-PART A-CURRENT ISSUES, 2004, 67 (12): : 959 - 977