Reference spirometric values for healthy lifetime nonsmokers in Thailand.
Dejsomritrutai W, Nana A, Maranetra KN, Chuaychoo B, Maneechotesuwan K, Wongsurakiat P, Chierakul N, Charoenratanakul S, Tscheikuna J, Juengprasert W, Suthamsmai T, Naruman C.
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PMID: 10863890
Clinical Trial.