front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |29 |30 |31 |review

The sources of information may include the following: Text-books in libraries. Index Medicus, which identify journal articles by subject, author and title. Computer-based literature searches such as MEDLINE. Bibliographies, such as those found at the end of books, articles and theses, or prepared as separate documents. Statistics collected at national, provincial and/or departmental levels. Opinions and beliefs of key informants (e.g. health managers and community leaders).