Hear better,
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| OCLC: | 4859902 |
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| 主要作者: | |
| 語言: | English |
| 出版: |
New York, London,
Funk & Wagnalls company,
1937.
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| 叢編: | National health series.
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| 主題: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| 實物描述: | viii p., 1 ̋., 11-83 p. plates. 16 cm. |
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| 參考書目: | Bibliography: p.79-83. |