1. Epithelial Tumors of the Liver of Uncertain Lineage
   Arthur Zimmermann, 2016, Tumors and Tumor-Like Lesions of the Hepatobiliary Tract CrossRef
2. Epithelial Tumors of the Liver of Uncertain Lineage
   Arthur Zimmermann, 2017, Tumors and Tumor-Like Lesions of the Hepatobiliary Tract CrossRef