Notes on punched-card systems for medical research data. I. The binary-ternary-decimal code

DAVIS JF, J F DAVIS
Canadian Medical Association journal · 1960 · vol. 82(1) , pp. 24–5 · PMID:13814469 · PMC1937593
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This paper describes the binary-ternary-decimal code for punched-card systems used in medical research data.

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Biomedical Research Punched-Card Systems Research Humans

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