When doctors sold their services directly to patients, they often had difficulty collecting their fees and turned to collection agencies for help. This agency claims not to “antagonize” the doctors’ clientele.
Courtesy of the Canadian Healthcare Association. From Hospital Buying, Vol. 1, No. 8 (September 1924), p. 33.

Transcription:
“Specialists in Collection Problems”
Let Us Collect Your Past Due Accounts
No Collection — No Charge
Send Us Your List To-Day
Co-Operative Association of Doctors and Surgeons