ITEMS SELECTION FOR A PATIENT-REPORTED SYNDROME SCALE- PHLEGM SYNDROME (PRS-PS)
Abstract
Authors
H.Y. Zhang Q. Li L. Yu L.L. Pang T.S. Wu M.C. Zhang K.X. Yang S.Q. Wang Z.H. Chen G.L. Yang
H.Y. Zhang Q. Li L. Yu L.L. Pang T.S. Wu M.C. Zhang K.X. Yang S.Q. Wang Z.H. Chen G.L. Yang
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