RT Journal Article SR Electronic T1 Re: A Randomized, Controlled Trial of a Behavioral Intervention to Reduce Crying among Infants JF The Journal of the American Board of Family Medicine JO J Am Board Fam Med FD American Board of Family Medicine SP 689 OP 690 DO 10.3122/jabfm.2010.05.100139 VO 23 IS 5 A1 Harvey N. Karp YR 2010 UL http://www.jabfm.org/content/23/5/689.2.abstract AB