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.
Cowan N, Wood NL, Wood PK, Keller TA, Nugent LD, Keller CV.Cowan N, et al.J Exp Psychol Gen. 1998 Jun;127(2):141-60. doi: 10.1037//0096-3445.127.2.141.J Exp Psychol Gen. 1998.PMID: 9622911Clinical Trial.
Cowan N, Nugent LD, Elliott EM.Cowan N, et al.Q J Exp Psychol A. 2000 Aug;53(3):666-70. doi: 10.1080/713755912.Q J Exp Psychol A. 2000.PMID: 10994224No abstract available.
Cowan N, Saults JS, Elliott EM.Cowan N, et al.Adv Child Dev Behav. 2002;29:1-49. doi: 10.1016/s0065-2407(02)80050-7.Adv Child Dev Behav. 2002.PMID: 11957571Review.No abstract available.