Letters on topics of current interest or commenting on material in RESPIRATORY CARE will be considered for publication. The Editor may accept or decline a letter or edit it without changing the author's views. Authors of criticized material will have the opportunity to reply in print. No anonymous letters can be published. Type letter double-spaced, mark it "For publication,'' and mail to RESPIRATORY CARE, Box 426, Cheshire CT 06410.
Enright et al. (Fri,) studied this question.