In all, 679 participants received one of 11 different cerumenolytics. One trial compared active treatments with no treatment, three compared active treatments with water or a saline 'placebo', and all nine trials compared two or more active treatments. Eight trials included syringing as a secondary intervention.
Capybaras do not follow the same route while grazing on consecutive days. Capybaras are semi-aquatic mammals found wild in much of South America (including Panama, Colombia, Venezuela, Brazil, Argentina, French Guyana, Uruguay, Peru and Paraguay) in dense rainforest areas near bodies of water.
One capybara can cost around 600 dollars, depending on how it was bred and its family tree background, etc.