title: Total Co2, lactate, and pyruvate in brain biopsies taken after freezing the tissue in situ.
mesh_terms: D000136:Acid-Base Equilibrium; D001706:Biopsy; D001923:Brain Chemistry; D001932:Brain Neoplasms; D002245:Carbon Dioxide / Q000032:analysis*; D002277:Carcinoma; D002561:Cerebrovascular Disorders; D005615:Freezing; D005909:Glioblastoma; D006408:Hematoma, Subdural; D006801:Humans; D007238:Infarction; D007427:Intracranial Pressure; D007773:Lactates / Q000032:analysis*; D008579:Meningioma; D011773:Pyruvates / Q000032:analysis*
chemical_list: D007773:Lactates; D011773:Pyruvates; D002245:Carbon Dioxide