Sleep patterns of secondary school students in Hong Kong : a cross-sectional study
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2009 ◽
Vol 46
(2)
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pp. 239-247
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2020 ◽
Vol Volume 13
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pp. 473-480
2019 ◽
Vol 40
(2)
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pp. 184-199
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2013 ◽
Vol 7
(3)
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pp. 273-283
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2013 ◽
Vol 03
(04)
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pp. 274-280
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