1920-1951 20thcentury africanamericans africanamericanwomen afro-amerikanskakvinnor afro-amerikanskor autobiography biography cancer cancerpatienter cellculture cellodling cells cervicalcancer confidentiality cytologie effectsofradiation ethics etik forskning health healthandhygiene hela-zelle helacells henrietta historia history humanexperimentation humanexperimentationinmedicine hälsa lacks largetypebooks medical medicalethics medicine medicinhistoria medicinskaexperimentpåmänniskor medizinischeethik newyorktimesbestseller nonfiction nyt:combined_print_nonfiction=2012-03-03 patienter patients polio prejudice radiation readinglevel-grade11 readinglevel-grade12 research science sociology tissueandorganprocurement tissuedonors unitedstates universityofsouthalabama vaccination virginia zellkultur