Referring Clues

• Office dupes, for short
• Hospital amts.
• IV measurements
• O.R. amounts
• Hypo units
• IV units
• Some duplicates: Abbr.
• Hosp. units
• R.N. measures
• Syringe amt.
• E.R. amts.
• Syringe measures, for short
• IV amounts
• Syringe amts.
• Duplicates: Abbr.
• Amts. of meds
• Injection units, for short
• Not originals of letters, for short
• Hypodermic units, for short
• Hypo meas.
• Duplicates, for short
• Duplicates, briefly
• Patient's dosage measure, for short
• Includes in an e-mailing
• Also addresses, as with an e-mail
• Also sends to, as an e-mail
• What secondary recipients of e-mails get
• Hypo measurements
• Medicinal measures (abbr.)
• ER units
• Medicinal measures, briefly
• Some duplicates (abbr.)
• Drip units, briefly
• Dosage amts.
• ER measures
• ICU units
• IV amts.
• Secondary email addrs.
• Units in an ER
• Medicinal amounts (abbr.)
• Medicinal amts.
• Shot meas.
• Enclosed dupes
• MD measurements
• Sends a duplicate to, for short
• ER measurements
• Includes in an e-mail, as a mgr.
• Keeps in the e-mail loop
• Sends the same e-mail to
• Sends a dupe e-mail to
• Medical amts.
• E-mail options, and this puzzle's theme
• Sends a duplicate e-mail to
• Dosage units (abbr.)
• Syringe dosage units, briefly
• Hypodermic needle amts.
• Also addresses, in an e-mail
• Hypodermic amts.
• IV measures
• Includes on an e-mail
• Vaccine amts
• Dupes in some mailboxes
• Those you duped, briefly
• Informs in writing, briefly
• Solution amts.
• Keeps apprised, briefly
• Dupes in some in-boxes
• Hypo amts.
• Metric units
• Shares an e-mail with
• Medicine amts.
• Keeps in the e-mail loop, briefly
• Vaccine amts.
• Sends a duplicate email to
• Injection amts.
• Mails a dupe
• Medicine meas.
• Includes in an email
• IV meas.
• Medicinal meas.
• IV dosage amts.
• IV dosage units
• Sends a duplicate to, briefly
• Liquid dosage amts.
• E-mails a dupe
• Shares an email with
• Includes in an emailing
• Syringe units, briefly
• E.R. units
• Mails a dupe to
• Metric measures
• Engine units: Abbr.
• Duplicates, briefly ... and a hint to 16-, 22-, 49- and 58-Across
• Alternative to fl. oz.
• Emails a dupe to
• Hospital IV amts.
• Medicine measures
• Keeps in the loop, in a way
• Dupes in inboxes
• Also keeps in the know, in a way
• Includes when sending an email
• Syringe measurements: abbr.
• Adds as an additional recipient, in email
• Email dupes
• Includes on the reply mail
• Bigrams on display in this puzzle's five longest answers
• They're equivalent to mLs
• Loops in on an email
• Keeps in the email thread
• Amts. of blood
• Includes in a message
• Emails a dupe to, for short
• Penicillin meas.
• Email duplicates
• Vaccine measures: Abbr.
• Includes on an email
• Adds to an email
• Keeps in the email loop
• Liquid medicine amts.
• Includes, on some memos
• E.R. stats
• Includes, in a way
• Lab amts.
• Includes on an email, for short
• Much modern-day mail
• Includes on an email thread
• Loops in, in a way
• Keeps in the loop, briefly
• Duplicate emails, for short
• Adds as a recipient
• Keeps in the loop, email-wise
• Loops in on an email thread
• Keeps posted, in a way
• Certain ER orders
• Includes in an email thread
• Loops into a conversation, briefly
• Spreads threads
• Adds to an email chain, in a way
• Loops in, briefly
• They're found below the "To" field
• Loops into an online convo
• Keeps in the loop via email
• Video accessibility aid, for short
• Includes, briefly
• Vaccine units, in brief
• Copies on an email
• Includes on a thread
• Loops in via email
• Loops in
• Syringe units
• Motorcycle engine units, for short
• Includes on a 51-Down
• Loops in on an email, for short
• Adds to a thread
• Adds as a secondary recipient, for short
• Adds to an email chain
• Includes on an email, in brief
• Loops in, in brief
• Adds to the chain, in a way
• Includes online, in a way
• Includes in a chain, in a way
• Loops into a chain