PT - JOURNAL ARTICLE ED - , TI - Addition of peak flow monitoring to symptom monitoring did not improve healthcare visits, quality of life, or lung function in older adults with moderate-to-severe asthma AID - 10.1136/ebn.10.2.52 DP - 2007 Apr 01 TA - Evidence Based Nursing PG - 52--52 VI - 10 IP - 2 4099 - http://ebn.bmj.com/content/10/2/52.short 4100 - http://ebn.bmj.com/content/10/2/52.full SO - Evid Based Nurs2007 Apr 01; 10