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   Richa Aishwarya et al, 2021, Frontiers in Physiology CrossRef
2. Sigma 1 Receptor is Overexpressed in Hepatocellular Adenoma: Involvement of ERα and HNF1α
   Laure Villemain et al, 2020, Cancers CrossRef
3. Role of Sigma-1 Receptor in Calcium Modulation: Possible Involvement in Cancer
   Ilaria Pontisso et al, 2021, Genes CrossRef