Petit A, Castillo M, Gaspa A, Colomer D, Garcia de Albeniz X, Moreno C, Camos M, Mellado B, Mallofre C. Expression and mutational analyses of KIT and PDGFR-alpha in sarcomatoid renal cell carcinoma. Histopathology. 2009 Aug;55(2):230-2. doi: 10.1111/j.1365-2559.2009.03342.x
Pring CM, Skelding-Millar L, Goodall RJ. Expectant treatment or cholecystectomy after endoscopic retrograde cholangiopancreatography for choledocholithiasis in patients over 80 years old? Surg Endosc. 2005 Mar;19(3):357-60.