Bronchial asthma is a multifactorial disease. Cooperation between pneumologists, physiologists, immunologists, pharmacologist and pediatricians is frequently needed for the complete investigation of an asthma case. This means that a physician in general practice cannot alone assess all the aspects of asthma employing different technigues to manage this disease. This book will provide physicians with a unique source on the principal methods which can be used to analyze individual cases of asthma and a helpful refrence source for better understanding the multiple pathways to the disease.