APA

National Cancer Institute (U.S.), . (1973). 5\U+2032\-nucleotide phosphodiesterase isoenzyme and hepatic cancer in NCI-Mayo Clinic panel sera. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1973. 5\U+2032\-nucleotide phosphodiesterase isoenzyme and hepatic cancer in NCI-Mayo Clinic panel sera. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1973). 5\U+2032\-nucleotide phosphodiesterase isoenzyme and hepatic cancer in NCI-Mayo Clinic panel sera. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . 5\U+2032\-nucleotide phosphodiesterase isoenzyme and hepatic cancer in NCI-Mayo Clinic panel sera. [Washington, D.C: . 1973.