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pubmed.ncbi.nlm.nih.gov
Rivara CB، Sherwood CC، Bouras C، Hof PR (2003). "Stereologic characterization and spatial distribution patterns of Betz cells in the human primary motor cortex". The Anatomical Record Part A: Discoveries in Molecular, Cellular, and Evolutionary Biology. ج. 270 ع. 2: 137–151. DOI:10.1002/ar.a.10015. PMID:12524689.
