title: Tissue Acquisition in Clinical Trials-Essential for Progress.
authors.affiliation: Investigational Drug Branch, Cancer Therapy Evaluation Program (SPI), Cancer Therapy Evaluation Program (JSA), Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
authors.forename: S Percy
authors.initials: SP
authors.lastname: Ivy
authors.affiliation: Investigational Drug Branch, Cancer Therapy Evaluation Program (SPI), Cancer Therapy Evaluation Program (JSA), Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Abrams
mesh_terms: D012107:Research Design