Individual acoustic guitar strings can be found in the Single Strings section. Although the strings that most acoustic guitars use are commonly called steel strings (and they do have steel cores), the wound strings will almost always be wound with bronze.
Many people with hookworm infection do not have symptoms. However at the start of a hookworm infection, an itchy, red, raised rash (ground itch) may develop where the larvae penetrate the skin. The movement of the larvae through the lungs can cause fever, coughing, and wheezing.
The symptoms of sarcoidosis can vary greatly, depending on which organs are involved. Most patients initially complain of a persistent dry cough, fatigue, and shortness of breath. Other symptoms may include: 1  Tender reddish bumps or patches on the skin. 2  Red and teary eyes or blurred vision. 3  Swollen and painful joints.