Analysis of melanoma cells in peripheral blood by reverse transcription-polymerase chain reaction for tyrosinase and MART-1 after mononuclear cell collection with cell preparation tubes: a comparison with the whole blood guanidinium isothiocyanate RNA isolation methodT. J. de Vries, Goos N.P. van Muijen, A. Fourkour et al.|Melanoma Research|2000Cited by 10