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.
If you suspect that your dog has worms, but they aren't visible to the naked eye, there may be other symptoms to look for. Hookworms are microscopic and also live in the intestines. This type of worm feeds on the dog's blood and has sharp teeth which can cause bleeding.