The Nigerian postgraduate medical journal
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Niger Postgrad Med J
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Niger Postgrad Med J · Sep 2008
Multicenter Study Clinical TrialPupillary changes among Nigerian adults following the instillation of Garcinia kola nut extracts: multicentric studies.
A multi-centre, open, within-patient controlled study was performed on 106 adult volunteers to investigate the effects of Garcinia kolanut extracts on the pupillary sizes. ⋯ 4% Garcinia kola nut extract drop has a transient miotic effect on human pupils not sustainable for more than 45 minutes.