1 “... on definition, etiology, clinical manifestations, diagnosis, and management. Every effort has been made...”

2 “... disorders, and clinical immunology in solid organ and hematopoietic stem cell transplantation are among...”

3 “... the reader to the diagnosis and best of practice in a step-wise manner. Clinical pearls presented...”

4 “...), clinical presentation, diagnosis, treatment, follow-up and prognosis, and differential diagnosis. Covering...”

5 “... PID, as well as a useful tool for both doctors-in-training and specialists in clinical decision-making...”