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An assessment of ammonia emissions from dairy facilities in Pennsylvania |
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| Authors: | Ferguson J D Dou Z Ramberg C F |
| Institution: | University of Pennsylvania, School of Veterinary Medicine, Center for Animal Health and Productivity, Kennett Square 19348, USA. ferguson@cahp2.nbc.upenn.edu |
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| 本文献已被 PubMed 等数据库收录！ | |