Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

My NCBI Filters
Text availability
Article attribute
Article type
Publication date

Search Results

4 results
Filters applied: . Clear all Results are displayed in a computed author sort order. Results by year timeline is unavailable
Page 1
Letter: Fungal invasion of a soft contact lens.
Sagan W. Sagan W. Arch Ophthalmol. 1976 Jan;94(1):168. doi: 10.1001/archopht.1976.03910030090026. Arch Ophthalmol. 1976. PMID: 1247406 No abstract available.
Non-contact tonometry by assistants.
Sagan W, Schwaderer K. Sagan W, et al. Am J Optom Physiol Opt. 1975 Apr;52(4):288-90. doi: 10.1097/00006324-197504000-00007. Am J Optom Physiol Opt. 1975. PMID: 236657
Attenuation of continuous wave laser radiation.
Sagan W. Sagan W. Am J Optom Arch Am Acad Optom. 1971 Mar;48(3):219-23. doi: 10.1097/00006324-197103000-00005. Am J Optom Arch Am Acad Optom. 1971. PMID: 4994090 No abstract available.