title: Experimental errors associated with the heterotrophic activity technique.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000096:biosynthesis; D002250:Carbon Radioisotopes; D005947:Glucose / Q000378:metabolism; D010933:Plankton / Q000378:metabolism*; D013464:Sulfuric Acids; D014871:Water Microbiology
chemical_list: D002250:Carbon Radioisotopes; D013464:Sulfuric Acids; D002245:Carbon Dioxide; D005947:Glucose