Chapter 1: Introduction.

Chapter 1 of the book "The Selection and Use of Essential Medicines" is presented. It offers information about the meeting of the World Health Organization (WHO) Expert Committee on the Selection and Use of Essential Medicines held on March 31 to April 3, 2003 in Geneva, Switzerland. It cites the open session held as part of the meeting, which purpose is to allow all stakeholders to participate in the discussions and to comment on issues relating to the WHO Model List of Essential Medicines.