Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SCHARFF C,A comparative study of the behavioral deficits following lesions of various parts of the zebra finch song system : Implication for vocal learning,J Neurosci,,,1991,11,,1896-2914,https://cir.nii.ac.jp/crid/1570572700305564928,