Braak, H; Braak, E. The pyramidal cells of Betz within the cingulate and precentral gigantopyramidal field in the human brain. A Golgi and pigmentarchitectonic study.. Cell and Tissue Research. 1976, 172 (1): 103–19. PMID 991201. doi:10.1007/bf00226052.
Meyer, G. Forms and spatial arrangement of neurons in the primary motor cortex of man.. The Journal of Comparative Neurology. 1987, 262 (3): 402–28. PMID 3655019. doi:10.1002/cne.902620306.
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Braak, H; Braak, E. The pyramidal cells of Betz within the cingulate and precentral gigantopyramidal field in the human brain. A Golgi and pigmentarchitectonic study.. Cell and Tissue Research. 1976, 172 (1): 103–19. PMID 991201. doi:10.1007/bf00226052.
Meyer, G. Forms and spatial arrangement of neurons in the primary motor cortex of man.. The Journal of Comparative Neurology. 1987, 262 (3): 402–28. PMID 3655019. doi:10.1002/cne.902620306.