Pharmaceutical industry and academic biostatisticians address practical problems encountered by scientists involved in medical clinical trials, and their solution using SAS software tools. Reflecting industry guidelines and using real-world examples illustrating methodology implementation, they cover the analysis of stratified data, incomplete data, multiple comparisons, issues in safety and efficacy monitoring, and reference intervals for safety and diagnostic measurements. Analysis of incomplete data merits one of the few in-depth theoretical treatments. Code for examples is appended. Suitable for graduate students in related fields. Annotation 2004 Book News, Inc., Portland, OR