\item{language}{language of the returned text, defaults to English (\code{"en"}) and can be set with \code{\link{getOption}("AMR_locale")}. Either one of \code{"en"} (English) or \code{"nl"} (Dutch).}
A vector of values. In case of \code{ab_tradenames}, if \code{x} is of length one, a vector will be returned. Otherwise a \code{\link{list}}, with \code{x} as names.
Use these functions to return a specific property of an antibiotic from the \code{\link{antibiotics}} data set, based on their ATC code. Get such a code with \code{\link{as.atc}}.