add_key                 Combine 2 keys with base key taking precedence
check_ap                Checks whether antipsychotic names are in the
                        key
check_key               Check whether a conversion key is the expected
                        format
davis1974               Chlorpromazine equivalent key from Davis 1974
                        data
gardner2010             Chlorpromazine equivalent key from Gardner et
                        al. 2010 data
gardner2010_withsai     Chlorpromazine equivalent key from Gardner et
                        al. 2010 data
leucht2016              Chlorpromazine equivalent key from Leucht et
                        al. 2016 data
leucht2020              Antipsychotic equivalent key from Leucht et al.
                        2020 data
to_ap                   Calculates equivalent doses
to_cpz                  Calculates chlorpromazine-equivalent doses
trim_key                Modify the names in a conversion key to only
                        include the first word
woods2003               Chlorpromazine equivalent key from Woods 2003
                        data
