A SIMPLE AUDIO-CALIBRATED STETHOSCOPE.
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Calibration↗
Biomedical subjects
N S BLACKMAN
Publications and source records attributed to N S BLACKMAN.
SURVEY OF STATE LAWS AND REGULATIONS FOR RADIATION CONTROL.
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Data Collection↗
INVERTED T WAVES IN THE PRECORDIAL ELECTROCARDIOGRAM OF NORMAL ADOLESCENTS.
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Adolescent↗
TRANSIENT ABNORMAL T WAVES IN THE NORMAL ADOLESCENT.
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Adolescent↗
Slipping rib syndrome with review of related anterior chest wall syndromes.
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Humans↗
Rheumatic fever: the problem of diagnosis based on insufficient evidence.
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Humans↗
Hypersensitivity to cold.
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Cold Temperature↗
Thrombotic thrombopenic purpura; report of a case.
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Animals↗
Normal respiratory variation of the T wave in lead I of the electrocardiogram.
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Arrhythmias, Cardiac↗
Bilateral pleural effusion; its significance in association with a heart of normal size.
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Disease↗