Publications on dementia in Medline 1974-2009: a quantitative bibliometric study.

Object: The aim is to describe the development of the scientific literature on dementia.

Methods: We present a quantitative, bibliometric study of the literature on dementia, based on Medline, covering 36 years (1974-2009). Two samples of references to dementia papers were retrieved: The main sample based on the MeSH term Dementia holds more than 88,500 references.

Schizophrenia in Medline 1950-2006: a bibliometric investigation.

The aim was to perform a bibliometric study, and compare the quantity of publications on schizophrenia with the total medical literature in Medline during 57 years, 1950-2006. The annual additions of literature to Medline are continually increasing and form the Medline growth curve. Comparisons of the number of publications on schizophrenia, or any other disease, to this curve, may be used to estimate the research activity.

The use of PubMed/Medline in psychiatry. 3: Searching PubMed.

This paper is the third in a series of three, intended as a tutorial in the use of PubMed/Medline for an inexperienced user. The papers have the following contents: I--a description of NLM, Medline, PubMed and the system of Medical Subject Headings (MeSH), which form the basis for the indexing of scientific articles, books and other items at NLM. II--A description and a tutorial of the PubMed search window.

The use of PubMed/Medline in psychiatry. 2: The PubMed search window: a description and a tutorial.

A previous paper, in a series of three, presented the National Library of Medicine, Medline, PubMed and the MeSH system. Connection to PubMed via the Internet opens the PubMed search window that is the tool for retrieving references to scientific medical literature. This paper is intended as a tutorial for an inexperienced visitor to PubMed, and describes the search window in some detail.

The use of PubMed/Medline in psychiatry. 1: Presentation of NLM and PubMed.

A comprehensive view of the available literature on a psychiatric problem can be found in the large electronic databases. Medline at the National Library of Medicine (NLM) in USA is the largest medical database. PubMed is the searchable database at the NLM, having Medline as its major content.