1. Joyce M Black (2004) Medical Surgical Nursing Clinical management of positive outcomes. (6th edn), Elseier Publications, USA, 1: pp. 1651-1746.
2. Brunner, Suddarth (2004) Medical Surgical Nursing. (10th edn), Lippincott, USA, pp. 516-633.
3. Lewis, Heitkemper (2004) Medical Surgical Nursing. (6th edn), Mosby, USA.
4. Genetic causes of Bronchiectasis: Primary CIliary Dyskinesia;Morillas;Journal of Respiratory Disorders 72(3),2007
5. Black MJ, Jane Hokanson Hawks (2004) Medical Surgical Nursing Clinical Management for Postive Outcome. (7th edn), Elseiver publications, New Delhi, India.