qd-bid
qd
bid-tid
bid
tid-qid
tid
qid
qod
q2hr
q4hr
q4-6hr
q6hr
q8hr
q12hr
q24hr
qwk
qod
qam
qpm
qhs
qmonth
q3hr
q4-6hr
twice daily
once a week
[0-9]+ a day
[0-9]+ per day