Mannen, H.; Nagata, Y.; Tsuji, S. (2001). "Mitochondrial DNA reveal that domestic goat (Capra hircus) are genetically affected by two subspecies of bezoar (Capra aegagurus)". Biochemical Genetics. 39 (5−6): 145−154. doi:10.1023/A:1010266207735. PMID11530852.
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Mannen, H.; Nagata, Y.; Tsuji, S. (2001). "Mitochondrial DNA reveal that domestic goat (Capra hircus) are genetically affected by two subspecies of bezoar (Capra aegagurus)". Biochemical Genetics. 39 (5−6): 145−154. doi:10.1023/A:1010266207735. PMID11530852.