The following applies to XML: 1  An XML value will never be returned from a document as null. It is either an empty string or a does not exist error. 2  The Business Rule Composer does not allow you to set a field to null or to set the type of a field to object. 3  Through the object model you can set the type to Object.
A vocal cord polyp is a noncancerous growth on the vocal cord causing breathiness, hoarseness, and more. Small cell lung cancer is the least common type of lung cancer and can cause a cough, chest pain, and more. Symptoms of swallowing an object include coughing, choking, vomiting, throat pain, breathing trouble, and more.
2. Chronic Laryngitis. Chronic laryngitis is a more serious issue as symptoms last for more than three weeks and can lead to other conditions. Damage or strain injury to the vocal cords can happen with exposure over time to environment irritants such as smoke, chemical fumes, and allergens. The most common cause is acid reflux.