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Discover 17,885 clinical trials near Houston, Texas. Find research studies in your area.
Showing 7001-7020 of 17,885 trials
NCT05028790
This study will evaluate changes in refractive error and visual performance between a single vision soft contact lens and multifocal soft contact lens
NCT04516746
The aim of the study is to assess the safety, efficacy, and immunogenicity of AZD1222 for the prevention of COVID-19.