Table of contents : What You Can Find in this Essential Contents 1: Introduction 2: Method Categories 3: Validation Parameters 3.1 Accuracy 3.2 Precision 3.3 Further Validation Parameters 4: Validation Environment and Validation Planning 4.1 Validation Environment: The Big Difference Between Academic and GMP Laboratories 4.2 Validation Planning 5: Validation of Bioanalytical Methods 5.1 Identity: Validation of a PCR Test 5.2 Determination of Content: Validation of a Virus Titration 5.3 Qualitative Impurities: Validation of a Test for Absence of Microorganisms (Sterility) 5.4 Quantitative Impurity: Validation of an Endotoxin Assay 6: Errors, Problems and Risks Associated with Insufficient Method Validation 7: Summary What the Reader Can Take Away from this Essential References