@misc{oai:twinkle.repo.nii.ac.jp:00005293,
 author = {山田, 恵子},
 month = {Aug},
 title = {甲状腺腫瘍の超音波診断　：　特に乳頭癌と濾胞癌の超音波所見について},
 year = {1987}
}