title: [Effect of race and class on the isotopic relation C12-C13 of CO2 exhaled by higher animals].
mesh_terms: D000818:Animals; D001001:Anura; D001717:Birds; D044383:Black People; D002245:Carbon Dioxide / Q000378:metabolism*; D002247:Carbon Isotopes; D004285:Dogs; D006801:Humans; D008322:Mammals; D012119:Respiration; D044465:White People
chemical_list: D002247:Carbon Isotopes; D002245:Carbon Dioxide
vernacular_title: Effet de la race et de la classe sur les rapports isotopiques C12-C13 exhalé par les animaux supérieurs.