Comment on

• Excessive infant crying: a controlled study of mothers helping mothers.

  Wolke D, Gray P, Meyer R. Wolke D, et al. Pediatrics. 1994 Sep;94(3):322-32. Pediatrics. 1994. PMID: 8065857 Clinical Trial.
• The effectiveness of parent counseling in managing colic.

  Carey WB. Carey WB. Pediatrics. 1994 Sep;94(3):333-4. Pediatrics. 1994. PMID: 8065858 No abstract available.
• Randomized controlled trial of three interventions in the management of persistent crying of infancy.

  Parkin PC, Schwartz CJ, Manuel BA. Parkin PC, et al. Pediatrics. 1993 Aug;92(2):197-201. Pediatrics. 1993. PMID: 8337017 Clinical Trial.