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.
Thompson RJ Jr, Gil KM, Gustafson KE, George LK, Keith BR, Spock A, Kinney TR.Thompson RJ Jr, et al. Among authors: gustafson ke.J Pediatr Psychol. 1994 Apr;19(2):171-88. doi: 10.1093/jpepsy/19.2.171.J Pediatr Psychol. 1994.PMID: 8051601
Merritt KA, Thompson RJ Jr, Keith BR, Gustafson KE, Murphy LB, Johndrow DA.Merritt KA, et al. Among authors: gustafson ke.Percept Mot Skills. 1995 Feb;80(1):323-9. doi: 10.2466/pms.1995.80.1.323.Percept Mot Skills. 1995.PMID: 7624213