TY - JOUR T1 - Globalization of cancer clinical trials linked to lower enrollment of black patients JF - Saudi Medical Journal JO - Saudi Med J SP - 461 LP - 461 VL - 42 IS - 4 A2 - , Y1 - 2021/04/01 UR - http://smj.org.sa/content/42/4/461.abstract N2 - ER -