The following guideline can be ordered through the address listed in the "Source/Publisher"-category.
In cases in which you can order through the Internet we have established a hyperlink.
Eudralex Volume 3 In-Use Stability Testing of Human Medicinal Products CPMP/QWP/2934/99
This CPMP-Note for Guidance issued by the EMEA deals with the in-use stability, in other words which tests have to be carried out to show that the quality of a multi-box drug is kept up after the first dose has been taken