1 Children's Hospital Medical Center, Boston, Massachusetts 02115
In reply to the letter of Dr. Phillip A. Cohen I should like to point out that the article referred to was designed primarily to present the advantages accrued from establishing a diagnosis of cystic fibrosis early in life and instituting a therapeutic program. To outline this therapeutic program in detail was not the purpose of the paper. The opening statement in the paragraph discussing treatment refers to Shirkey's Pediatric Therapy and I should like to quote from this chapter, second edition (1966-1967), page 536: