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  1. pdf2020NewMeSHheadingsSingleColumn.pdf 
    https://www.nlm.nih.gov/.../2020NewMeSHheadingsSingleColumn.pdf
    ... floaters, sensitivity to light, blind spots, and eye discomfort. Tree locations: Choroiditis C11.941.160.478.550 ... emotional state characterized by physical and/or emotional discomfort, pain, or anguish. Tree locations: Emotions F01.470. ...