title: Reply  to M A Khattak et al.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Armstrong
authors.forename: Daniel J
authors.initials: DJ
authors.lastname: George
authors.forename: Susan
authors.initials: S
authors.lastname: Halabi
mesh_terms: D000970:Antineoplastic Agents / Q000494:pharmacology*; D054316:Biomarkers, Pharmacological / Q000097:blood*; D002292:Carcinoma, Renal Cell / Q000188:drug therapy*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000188:drug therapy*; D007770:L-Lactate Dehydrogenase / Q000097:blood*; D008297:Male; D020123:Sirolimus / Q000031:analogs & derivatives*; D058570:TOR Serine-Threonine Kinases / Q000037:antagonists & inhibitors*; D014157:Transcription Factors / Q000037:antagonists & inhibitors*
chemical_list: D000970:Antineoplastic Agents; D054316:Biomarkers, Pharmacological; D014157:Transcription Factors; D007770:L-Lactate Dehydrogenase; D058570:TOR Serine-Threonine Kinases; D020123:Sirolimus