1883-1970 biochemistry biochemists biography biologicaltransport cancercells carcinogenesis cellhypoxia celltransformation congresses contactinhibition contactinhibition(biology) etiology germany glycolysis metabolism neoplasmmetastasis neoplasms neoplastic otto ottoheinrich oxygen oxygenconsumption physiologicaltransport physiology qz202s399c2004 warburg wf110o982009 wz100w2552k1979