title: Hypoxic changes in brain  -hydroxybutyrate-acetoacetate ratio: phylogenetic and developmental considerations.
mesh_terms: D000090:Acetoacetates / Q000378:metabolism*; D000375:Aging; D000818:Animals; D005075:Biological Evolution; D001921:Brain / Q000254:growth & development / Q000378:metabolism*; D002645:Chickens; D006885:Hydroxybutyrates / Q000378:metabolism*; D000860:Hypoxia / Q000378:metabolism; D051381:Rats; D013997:Time Factors; D014426:Turtles
chemical_list: D000090:Acetoacetates; D006885:Hydroxybutyrates