1920-1951 20thcentury africanamericans africanamericanwomen afro-amerikanskakvinnor afro-amerikanskor agriculture animalcellbiotechnology autobiography biography biotechnologie biotechnology bioteknik cancer cancerpatienter cellculture cellculturetechniques cellodling cells cervicalcancer confidentiality cytologie effectsofradiation engineering ethics etik forskning general genexpression health healthandhygiene hela-zelle helacells henrietta historia history humanexperimentation humanexperimentationinmedicine hälsa insectcellbiotechnology insectes insecticides insekten lacks largetypebooks medical medicalethics medicine medicinhistoria medicinskaexperimentpåmänniskor medicinskteknik medizinischeethik methods newyorktimesbestseller nonfiction nyt:combined_print_nonfiction=2012-03-03 patienter patients polio prejudice radiation readinglevel-grade11 readinglevel-grade12 research science sociology technology tierzelle tissueandorganprocurement tissuedonors unitedstates universityofsouthalabama vaccination veterinary virginia