An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Gross RE, Van Zee KJ, Heerdt AS.Gross RE, et al. Among authors: heerdt as.J N Y State Nurses Assoc. 1997 Dec;28(4):9-12.J N Y State Nurses Assoc. 1997.PMID: 9564357
Robson M, Levin D, Federici M, Satagopan J, Bogolminy F, Heerdt A, Borgen P, McCormick B, Hudis C, Norton L, Boyd J, Offit K.Robson M, et al.J Natl Cancer Inst. 1999 Dec 15;91(24):2112-7. doi: 10.1093/jnci/91.24.2112.J Natl Cancer Inst. 1999.PMID: 10601383