High prevalence of current asthma and active smoking effect among the elderly.
Kim YK, Kim SH, Tak YJ, Jee YK, Lee BJ, Kim SH, Park HW, Jung JW, Bahn JW, Chang YS, Choi DC, Chang SI, Min KU, Kim YY, Cho SH.
Kim YK, et al. Among authors: chang ys, chang si.
Clin Exp Allergy. 2002 Dec;32(12):1706-12. doi: 10.1046/j.1365-2222.2002.01524.x.
Clin Exp Allergy. 2002.
PMID: 12653160