| | | | |  
| | | | | HERPA  
| | | | |  
| | | | | Do you usually bring up any phlegm from your chest, first thing in the  
| | | | | morning in winter?  
| | | | | 1 Yes  
| | | | | 2 No  
| | | | | 3 Don't know  
| | | | |  
| | | | | IF (HeRpa = No) OR (HeRpa = DKnow) [HeRpa = 2 OR HeRpa =  
| | | | | 3]  
| | | | | |  
| | | | | | HERPB  
| | | | | |  
| | | | | | Do you usually bring up any phlegm from your chest, during the day or  
| | | | | | at night in the winter?  
| | | | | | 1 Yes  
| | | | | | 2 No  
| | | | | |  
| | | | | END OF FILTER  
| | | | |