P121 Feasibility of performing valid spirometry in rural India: preliminary results from a population study assessing the prevalence of COPD
2019 ◽
Vol 315
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pp. 072020
2002 ◽
Vol 34
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pp. A112
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1999 ◽
Vol 173
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pp. 185-188
Keyword(s):
2000 ◽
Vol 179
◽
pp. 163-165
Keyword(s):
1973 ◽
Vol 31
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pp. 336-337
1991 ◽
Vol 49
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pp. 584-585
2000 ◽
Vol 111
(2)
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pp. 662-667
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