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. 2020 Jan 17;15(1):e0227264. doi: 10.1371/journal.pone.0227264

Fig 1. Cage design for Apivar® efficacy test.

Fig 1

A square of Apivar® was hot glued to the bottom of a plastic container. The screen lid was used to seal the container after bees were added. The container was inverted and suspended over a weighing dish covered in petroleum jelly using binder clips.