Table 1.

Groups of keywords and Medical Subject Headings (MeSH) terms (in bold) used in the search strategy

Medical order entry systems	Decision support systems, clinical
Computerized order entry	Decision-support systems
Computerized prescriber order entry	Clinical decision-support systems
Computerized provider order entry	Reminder systems
Electronic order entry	Computer assisted decision-making
Electronic prescribing	Diagnosis, computer-assisted
Electronic physician order entry	Therapy, computer-assisted
Computerized physician order entry	Expert systems
Drug-therapy, computer-assisted