“The term connotes any subgroup that has traditionally been underrepresented in substance abuse prevention and treatment.”

“Moreover, and to re-emphasize the theme of branching, pelycosaurs included three major subgroups, only two bearing sails on their backs.”

“The sexual subgroups also differed on a measure of gender atypicality in adulthood.”

“The participants were also asked to label any groups or subgroups that resulted from their sorting.”