Pulmonary function differences in normal smoking and nonsmoking, middle-aged, white-collar workers.
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Adult↗
Biomedical subjects
E C Hedrick
Publications and source records attributed to E C Hedrick.
Exercise responses of smoking and non-smoking middle-aged business executives.
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Adult↗
Pulmonary function differences in normal smoking and nonsmoking, middle-aged, white-collar workers.
Explore the source record for details and available documents.
Adult↗