1. How much did your organisation spend on Sodium Hyaluronate eye drop formulations between the period of 01/01/2017 to 31/12/2017?
2. Between the period 01/01/2017 to 31/12/2017, which brand(s) of Sodium Hyaluronate eye drop formulations did you use?
3. How many units of each brand did you use?

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