PT - JOURNAL ARTICLE AU - Maurie Markman TI - When and how to use serum tumor markers in clinical practice DP - 1997 Jan 01 TA - Cleveland Clinic Journal of Medicine PG - 27--29 VI - 64 IP - 1 4099 - http://www.ccjm.org/content/64/1/27.short 4100 - http://www.ccjm.org/content/64/1/27.full SO - Cleve Clin J Med1997 Jan 01; 64