Other names Information Retrieval Systems; Emergency Care Information Systems; Data Systems; Ancillary Information Systems; Systems, Information Retrieval; Systems, Information; Systems, Data; Systems, Ancillary Information; System, Information Retrieval; System, Information; System, Data; System, Ancillary Information; Information Systems, Ancillary; Information System, Ancillary; Information System; Information Retrieval System; Data System; Ancillary Information System