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Personal outdoor exposure pattern determined from the voltage output of the electronic sun journal for an individual moving about an outdoor environment (A) 22 September; (B) 24 September midmorning, (C) 24 September afternoon, (D) 26 September; (E) 27 September; (F) 18 January midmorning; (G) 18 January afternoon; (H) 1 February; and (I) 29 March.
