Related Clues:
- ER units
- Liquid medicine amts
- They're equivalent to mLs
- Syringe units, briefly
- E.R. units
- Keeps apprised, for short
- Mails a dupe to
- Secretly adds to emails
- Syringe amts
- Engine units: Abbr
- Duplicates, briefly ... and a hint to 16-, 22-, 49- and 58-Across
- Includes in an email's recipients
- Sends an email to on the down low
- Medicinal amts
- Alternative to fl. oz