APA

National Cancer Institute (U.S.), . (19). Relationship between blocking and unblocking activity and tumor growth in vivo. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 19. Relationship between blocking and unblocking activity and tumor growth in vivo. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (19). Relationship between blocking and unblocking activity and tumor growth in vivo. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Relationship between blocking and unblocking activity and tumor growth in vivo. [Washington, D.C: . 19.