Abstract
THE formation of the human pseudocholinesterase variants is controlled by at least four alleles at one autosomal locus termed E1 (ref. 1). The four alleles are , , and (refs. 2–5). The heterozygotes have been found in remarkably uniform frequencies, about 3 to 6 per cent, in Caucasians from Europe and North America3,8–11, and also in Australian aborigines12 and Mexican Indians13, but are relatively rare among Negroes11 and Mongoloids10,11,14.
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NEUMANN, S., WALTER, H. Frequencies of Pseudocholinesterase Variants in Icelanders, Greeks and Pakistanis. Nature 219, 950 (1968). https://doi.org/10.1038/219950a0
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DOI: https://doi.org/10.1038/219950a0
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