@book{ BN07664897,
  author    = "椹木, 勇",
  title     = "産婦人科",
  publisher = "金芳堂",
  year      = "1991",
  edition   = "改訂7版",
  series    = "医師国家試験対策シリーズ",
  number    = "3",
  URL       = "https://ci.nii.ac.jp/ncid/BN07664897"
}