[Descriptive analysis of hospital activity indicators published by the Autonomous Regional Governments in the Spanish National Health System.].

Objective: The supply of health activity data by health regional governments does not have a current study of the issue. The aim of this study was to analyze and describe the indicators of hospital activity related to public health organizations (health departments in the Spanish National Health System) showing the most notable experiences in this regard.

Methods: Observational study.

A comparative study of six European databases of medically oriented Web resources.

Objectives: The paper describes six European medically oriented databases of Web resources, pertaining to five quality-controlled subject gateways, and compares their performance.

Method: The characteristics, coverage, procedure for selecting Web resources, record structure, searching possibilities, and existence of user assistance were described for each database. Performance indicators for each database were obtained by means of searches carried out using the key words, "myocardial infarction.