Efficacy and cost effectiveness of inhaled steroids in asthma in a developing country: an epilogue.
Perera
B J
BJ
D001249:Asthma / Q000191:economics*; D002648:Child; D003362:Cost-Benefit Analysis; D003906:Developing Countries; D006801:Humans; D013188:Sri Lanka; D013256:Steroids / Q000191:economics*
D013256:Steroids