Comment on

• P-glycoprotein expression as a predictor of the outcome of therapy for neuroblastoma.

  Chan HS, Haddad G, Thorner PS, DeBoer G, Lin YP, Ondrusek N, Yeger H, Ling V. Chan HS, et al. N Engl J Med. 1991 Dec 5;325(23):1608-14. doi: 10.1056/NEJM199112053252304. N Engl J Med. 1991. PMID: 1682809