Clinical diaries and their research value
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PII: S0897-1897(09)00099-8
doi:10.1016/j.apnr.2009.09.001
© 2009 Published by Elsevier Inc.
PII: S0897-1897(09)00099-8
doi:10.1016/j.apnr.2009.09.001
© 2009 Published by Elsevier Inc.