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The parent\u2010derived AMN double heterozygous mutation was detected to confirm the diagnosis of IGS. The hemogram was normal after intramuscular injection of vitamin B\n                    <jats:sub>12<\/jats:sub>\n                    , and there were no other complications.\n                  <\/jats:p>","DOI":"10.1002\/ccr3.73364","type":"journal-article","created":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T05:18:10Z","timestamp":1787203090000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Imerslund\u2010Gr\u00e4sbeck Syndrome Caused by Compound Heterozygous Mutations in the\n                    <scp>\n                      <i>AMN<\/i>\n                    <\/scp>\n                    Gene: A Case Report"],"prefix":"10.1002","volume":"14","author":[{"given":"Cheng","family":"Chen","sequence":"first","affiliation":[{"name":"Peking University First Hospital Ningxia Women and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital)  Yinchuan Ningxia China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yijia","family":"Min","sequence":"additional","affiliation":[{"name":"Dian Diagnostics Group co., Ltd  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoping","family":"Ye","sequence":"additional","affiliation":[{"name":"Dian Diagnostics Group co., Ltd  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Ma","sequence":"additional","affiliation":[{"name":"Peking University First Hospital Ningxia Women and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital)  Yinchuan Ningxia China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huiqing","family":"Ge","sequence":"additional","affiliation":[{"name":"Peking University First Hospital Ningxia Women and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital)  Yinchuan Ningxia China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingying","family":"Chou","sequence":"additional","affiliation":[{"name":"Peking University First Hospital Ningxia Women and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital)  Yinchuan Ningxia China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoling","family":"Yang","sequence":"additional","affiliation":[{"name":"Peking University First Hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-6067-1948","authenticated-orcid":false,"given":"Yingying","family":"Cui","sequence":"additional","affiliation":[{"name":"Peking University First Hospital Ningxia Women and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital)  Yinchuan Ningxia China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-7880-5881","authenticated-orcid":false,"given":"Xiaochun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Peking University First Hospital Ningxia Women and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital)  Yinchuan Ningxia China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,19]]},"reference":[{"key":"e_1_2_13_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0954-6820.1960.tb03549.x"},{"key":"e_1_2_13_3_1","doi-asserted-by":"publisher","DOI":"10.1186\/1750-1172-1-17"},{"key":"e_1_2_13_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-018-07468-4"},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12881-015-0181-2"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijms20030527"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13023-023-02889-x"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1601-0825.2009.01541.x"},{"key":"e_1_2_13_9_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12881-020-01122-x"},{"key":"e_1_2_13_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clnu.2018.02.008"},{"key":"e_1_2_13_11_1","doi-asserted-by":"publisher","DOI":"10.1042\/BJ20070919"},{"key":"e_1_2_13_12_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13052-024-01757-z"},{"issue":"11","key":"e_1_2_13_13_1","article-title":"Clinical Features and Genetic Analysis of Imerslund\u2010Gr\u00e4sbeck Syndrome: A Case Report and Literature Review","volume":"37","author":"Liu L. 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