RT Journal A1 Fowler FD T1 CRoup JF JAMA JO JAMA YR 1969 FD June 9 VO 208 IS 10 SP 1907 OP 1908 DO 10.1001/jama.1969.03160100097024 UL http://dx.doi.org/10.1001/jama.1969.03160100097024 AB To the Editor:—  It is not intended that I am an expert on croup, but there has not been very much written on it. I live in a valley at an elevation of 7,500 feet and see a great deal of this condition. Most of these cases occur when the barometer is low (around 29.50) and it is generally raining or snowing. Most of the patients have a sudden onset at night, generally around 2 to 4 A.M. For some reason, there are two, three, or four cases within the same 24-hour period, but sometimes patients will come in within a few hours of each other.When the children are brought in here, a severe laryngeal obstruction is apparent for the child has the "Cock's Crow" symptom from which the condition gained its name. Of all the pediatric emergencies, I think this is the most dramatic both for the patient,