Carboplatin dosage: prospective evaluation of a simple formula based on renal function - Calvert,A.H.; Newell,D.R.; Gumbrell,L.A.; O'Reilly,S.; Burnell,M.; Boxall,F.E.; Siddik,Z.H.; Judson,I.R.; Gore,M.E.; Wiltshaw,E. (J Clin Oncol, 1989)