Clinical proctoscopy
By: U. S. Dept. of Health, Education & Welfare.
Publisher: The Dept., Public Health Service, National Institute of Health, National Library of Medicine.
Place of publication: Washington, DC
Language: und
Format: Motion picture
Number of pages: 15
Subjects: Proctoscopy -- Audiovisual Aids; Sigmoidoscopy -- Audiovisual Aids
Genres: Audiovisual Aids.