During the past 3 months, how many severe or very unpleasant attacks of chest trouble have you had [PhenX]
LOINC
64443-5
Component
During the past 3Mo, how many severe or very unpleasant attacks of chest trouble have you had
System (specimen)
^Patient
Property
NRat
Scale
Qn
Method
PhenX
Class
PHENX
Status
TRIAL