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.

Https

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

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

29 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
[About longitudinal studies in epidemiology].
Pérez Andrés C, Martín Moreno JM. Pérez Andrés C, et al. Rev Esp Salud Publica. 2004 Mar-Apr;78(2):135-40. doi: 10.1590/s1135-57272004000200001. Rev Esp Salud Publica. 2004. PMID: 15199792 Free article. Spanish. No abstract available.
[Qualitative methodology].
Pérez Andrés C. Pérez Andrés C. Rev Esp Salud Publica. 2002 Sep-Oct;76(5):373-80. Rev Esp Salud Publica. 2002. PMID: 12422414 Free article. Spanish. No abstract available.
[Qualitative research in Public Health].
Conde F, Pérez Andrés C. Conde F, et al. Among authors: perez andres c. Rev Esp Salud Publica. 1995 Mar-Apr;69(2):145-9. Rev Esp Salud Publica. 1995. PMID: 7497341 Free article. Spanish. No abstract available.
29 results