Guide to MEDLARS services.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Bethesda, Md.
[1968]
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| Edition: | [Rev.] |
| Series: | Public Health Service publication ;
no. 1694. |
| Subjects: |
| Physical Description: | 22 p. illus., forms. 27 cm. |
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