21. [NIH- NCI cancer research album 1.] Subject(s): ResearchNeoplasmsNational Cancer Institute (U.S.)
22. [NIH- NCI cancer research album 1.] Author(s): Perry, Roy, photographer Subject(s): ResearchNeoplasmsNational Cancer Institute (U.S.)
23. [NIH- NCI cancer research album 1.] Subject(s): ResearchNeoplasmsNational Cancer Institute (U.S.)