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

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2010 3
2011 3
2015 1
2017 1
2019 2
2020 1
2021 1
2022 3
2023 3
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

15 results

Results by year

Filters applied: . Clear all
Page 1
Preparation and physicochemical characterization of sildenafil cocrystals.
Sawatdee S, Atipairin A, Rakkummerd S, Suriyaphol O, Harding DJ, Muenraya P, Harding P. Sawatdee S, et al. Among authors: atipairin a. J Adv Pharm Technol Res. 2021 Oct-Dec;12(4):408-419. doi: 10.4103/japtr.japtr_72_21. Epub 2021 Oct 20. J Adv Pharm Technol Res. 2021. PMID: 34820318 Free PMC article.
Enhanced dissolution of sildenafil citrate as dry foam tablets.
Sawatdee S, Atipairin A, Sae Yoon A, Srichana T, Changsan N. Sawatdee S, et al. Among authors: atipairin a. Pharm Dev Technol. 2019 Jan;24(1):1-11. doi: 10.1080/10837450.2017.1281952. Epub 2017 Jan 30. Pharm Dev Technol. 2019. PMID: 28135896
15 results