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.
Nelson BW, Clark NM, Valerio MA, Houle CR, Brown RW, Brown C.Nelson BW, et al. Among authors: valerio ma.J Sch Health. 2006 Aug;76(6):273-5. doi: 10.1111/j.1746-1561.2006.00111.x.J Sch Health. 2006.PMID: 16918854Clinical Trial.
Clark NM, Brown R, Joseph CL, Anderson EW, Liu M, Valerio MA.Clark NM, et al. Among authors: valerio ma.Chest. 2004 May;125(5):1674-9. doi: 10.1378/chest.125.5.1674.Chest. 2004.PMID: 15136375Clinical Trial.
Clark NM, Brown R, Joseph CL, Anderson EW, Liu M, Valerio M, Gong M.Clark NM, et al.J Clin Epidemiol. 2002 Sep;55(9):870-81. doi: 10.1016/s0895-4356(02)00451-1.J Clin Epidemiol. 2002.PMID: 12393074
Anderson EW, Valerio M, Liu M, Benet DJ, Joseph C, Brown R, Clark NM.Anderson EW, et al.J Sch Nurs. 2005 Aug;21(4):236-42. doi: 10.1177/10598405050210040901.J Sch Nurs. 2005.PMID: 16048369
Clark NM, Gong M, Brown RW, Anderson EW, Yu J, Valerio MA, Joseph CL, Wu G, Zeng Z, Wu Z.Clark NM, et al. Among authors: valerio ma.J Asthma. 2005 Jul-Aug;42(6):493-7. doi: 10.1081/JAS-67568.J Asthma. 2005.PMID: 16293545
Valerio MA, Gong ZM, Wang S, Bria WF, Johnson TR, Clark NM.Valerio MA, et al.Womens Health Issues. 2009 Sep-Oct;19(5):300-5. doi: 10.1016/j.whi.2009.03.008. Epub 2009 Jul 8.Womens Health Issues. 2009.PMID: 19589696Free PMC article.
Clark NM, Gong ZM, Wang SJ, Valerio MA, Bria WF, Johnson TR.Clark NM, et al. Among authors: valerio ma.Gend Med. 2010 Apr;7(2):125-36. doi: 10.1016/j.genm.2010.04.005.Gend Med. 2010.PMID: 20435275Free PMC article.Clinical Trial.