title: Community practice and cancer clinical trials: I. Relevance of creatinine clearances.
mesh_terms: D002986:Clinical Trials as Topic; D003154:Community Medicine; D003404:Creatinine / Q000378:metabolism*; D005770:Gastrointestinal Neoplasms / Q000378:metabolism / Q000628:therapy*; D006801:Humans
chemical_list: D003404:Creatinine