> "The available results show that a systemic effect of oxalic acid to the
beekeeper is not to be expected regarding both procedures. This is true
without special preventive measures, e.g. carrying of a protective mask.

Please read this sentence in its context and keep account of the subsequent
section: Recommended preventive measures!
See also Peter Borst' recommendation.
Kind regards,

Ghislain De Roeck,
Belgium.

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