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			<depositor_name>Clinical Intelligence Research Press</depositor_name>
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				<full_title>Journal of Health Informatics and Digital Systems</full_title>
				<abbrev_title>J. Health Inform. Digit. Syst.</abbrev_title>
				<issn>3149-8973</issn>
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					<year>2023</year>
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					<volume>3</volume>
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				<issue>1</issue>
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					<title>Machine Learning for Hospital Length-of-Stay Prediction: A Systematic Review of Electronic Health Record Features, Model Architectures, Validation Methods, and Operational Implementation Outcomes</title>
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          					<person_name sequence="first" contributor_role="author">
            <given_name>Hiroshi</given_name>
            <surname>Nakamura</surname>
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            <given_name>Yuta</given_name>
            <surname>Kato</surname>
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					<year>2023</year>
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