Quantitation of somatostatin receptor type 2 gene expression in neuroblastoma cell lines and primary tumors using competitive reverse transcription-polymerase chain reaction. - Sestini,R.; Orlando,C.; Peri,A.; Tricarico,C.; Pazzagli,M.; Serio,M.; Pagani,A.; Bussolati,G.; Granchi,S.; Maggi,M. (Clin Cancer Res, 1996)