biological tumor markers

Riley RD, Heney D, Jones DR, et al.: A systematic review of molecular and biological tumor markers in neuroblastoma.

A systematic review of molecular and biological tumor markers in neuroblastoma (Clin Cancer Res 10: 4-12) found that its conclusions were limited by "small sample sizes, poor statistical reporting, large heterogeneity across studies.

Grotzer MA, von Hoff K, von Bueren AO, et al.: Which clinical and biological tumor markers proved predictive in the prospective multicenter trial HIT'91--implications for investigating childhood medulloblastoma.