Watkins, W. E. "Stupidity or worms": Do intestinal worms impair mental performance? [article].
Chicago-čujuhus (17. p.)Watkins, W. E. "Stupidity or Worms": Do Intestinal Worms Impair Mental Performance? [article].
MLA-čujuhus (9. p.)Watkins, W. E. "Stupidity or Worms": Do Intestinal Worms Impair Mental Performance? [article].
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