J Am Med Inform Assoc
http://www.ncbi.nlm.nih.gov/pubmed/10730599
7(2):152-63
https://connects.catalyst.harvard.edu/Profiles/profile/481062
Temporal expressiveness in querying a time-stamp--based clinical database.
J Am Med Inform Assoc
http://www.ncbi.nlm.nih.gov/pubmed/10730599
7(2):152-63
https://connects.catalyst.harvard.edu/Profiles/profile/481062