Showing results 3 to 4 of 4
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Title | Author(s) | Issue Date | Views | |
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The effects of cash and lottery incentives on mailed surveys to physicians: A randomized trial Journal:Journal of Clinical Epidemiology | 2002 | 110 | ||
An update on the aetiology of orofacial clefts Journal:Hong Kong Medical Journal | 2004 | 172 |