{
  "id": "doi-10-3389-fonc-2021-659217",
  "type": "article-journal",
  "title": "Efficacy and Safety of Apatinib Treatment for Advanced Cholangiocarcinoma After Failed Gemcitabine-Based Chemotherapy: An Open-Label Phase II Prospective Study",
  "author": [
    {
      "literal": "Ge Zhang"
    },
    {
      "literal": "Shuai Gong"
    },
    {
      "literal": "Lina Pang"
    },
    {
      "literal": "Lixia Hou"
    },
    {
      "literal": "Wei He"
    }
  ],
  "container-title": "Frontiers in Oncology",
  "issued": {
    "date-parts": [
      [
        2021,
        5,
        3
      ]
    ]
  },
  "DOI": "10.3389/fonc.2021.659217",
  "URL": "https://doi.org/10.3389/fonc.2021.659217",
  "volume": "11",
  "number": "659217"
}