| Database/Vendor | Subjects | Contents | Coverage | Dates/Updates |
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| AccessScience McGraw-Hill | Science and technology |
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| Merck Index Merck and Co. Registration Required | Biology, chemisty, medicine, nursing, and pharmacy |
| Index to 10,000 monographs desribing significant chemicals, drugs, and biological substances, searchable by text, properties, and structures. Organic Name Reactions and Supplementary Tables included. | |
