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134 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE SUMMARY The responses to exercise of 100 normal controls and of 41 patients with definite evidence of serious cardiac or pulmonary disease were studied.
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460 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE more, but we are constantly learning from our experience as we go along.
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NOISE AND THE CONSERVATION OF HEARING 659 J|^ applications, but more complete models are available for diagnostic pur- ipjpached to each audiometer is a set of earphones fitted with rubber cushjjgajsnug fit over the ears.
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700 LEON P.
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ROBERT N.
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ss i V.V 1 rp | . vf srs maintenance 9-9 ^ C5 brake drum and brake assembly repair front brake drum REMOVAL and installation rimovai j.
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