00564nas a2200181   4500000000100000000000100001008004100002260001500043100001100058700002400069700001300093700001500106700001100121700001800132700001300150700001200163245020700175       2012                            d  aLondon, UK1 aLam C.1 aMartiniuk Alexandra1 aGupta S.1 aRibeiro R.1 aYeh S.1 aTsimicalis A.1 aArora A.1 aChen T.00aAbandonment of Treatment Working Group.  Magnitude, predictors and causes of abandonment of therapy in pediatric acute leukemia in low and middle-income countries: a systematic review and meta-analysis.