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

122 results
Filters applied: . Clear all Results are displayed in a computed author sort order. Results by year timeline is unavailable
Page 1
Evaluation of oxidative stress levels in the conjunctival epithelium of patients with or without dry eye, and dry eye patients treated with preservative-free hyaluronic acid 0.15 % and vitamin B12 eye drops.
Macri A, Scanarotti C, Bassi AM, Giuffrida S, Sangalli G, Traverso CE, Iester M. Macri A, et al. Among authors: giuffrida s. Graefes Arch Clin Exp Ophthalmol. 2015 Mar;253(3):425-30. doi: 10.1007/s00417-014-2853-6. Epub 2014 Nov 16. Graefes Arch Clin Exp Ophthalmol. 2015. PMID: 25398660 Clinical Trial.
Ocular surface changes in type 1 diabetic patients.
Aragona P, Giuffrida S, Di Stefano G, Ferreri F, Di Benedetto A, Bucolo C, Cro M. Aragona P, et al. Among authors: giuffrida s. Adv Exp Med Biol. 2002;506(Pt A):667-72. doi: 10.1007/978-1-4615-0717-8_93. Adv Exp Med Biol. 2002. PMID: 12613975 No abstract available.
Pharmacokinetics and bioavailability of a Ginkgo biloba extract.
Drago F, Floriddia ML, Cro M, Giuffrida S. Drago F, et al. Among authors: giuffrida s. J Ocul Pharmacol Ther. 2002 Apr;18(2):197-202. doi: 10.1089/108076802317373941. J Ocul Pharmacol Ther. 2002. PMID: 12002672 Clinical Trial.
122 results