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Percentage of citations in PubMed (August 2013) using the search terms “appetite” OR “food intake” AND the animal group indicated. Absolute numbers of citations are indicated to the right of the animal group. Note that citations with “rat” or “mouse” as a search term comprise nearly 80% of the total, and seasonal mammals (in color) only constitute ~ 6% of the total. 28,895 citations using “human” or “man” with these search terms were also identified.
