PubMed · 430690
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Abstract
Searching through stacks of unbound journals is an inefficient method of information retrieval. I have developed an inexpensive and easily used filing system. This filing system provides an excellent medical-information retrieval system.
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K Singer. 1979-04-06. Where did I see that article?. https://pubmed.ncbi.nlm.nih.gov/430690/
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