  In this chapter, we present a strategy and the technics to approach a
scientific field from a set of articles gathered from the bibliographic
database, Web of Science. The strategy is based on methods developed to analyze
social networks. We illustrate the use of such strategy in studying the
calmodulin field. Such method allows to structure a huge number of articles
when writing a review, to detect the key opinion leaders in a given field and
to locate his own research topic in the landscape of the themes deciphered by
our own community. We show that the free software VosViewer may be used without
knowledge in computing science and with a short learning period. iii.
