SBS was first recognized in the 1970s, and its identification at this time because the electronic equipment number was increasing and other factors. The term SBS is used when a large number of people occupying a particular building develop symptoms associated with their presence in that building. Later on, the symptoms
SBS was first recognized in the 1970s, and its identification at this time because the electronic equipment number was increasing and other factors. The term SBS is used when a large number of people occupying a particular building develop symptoms associated with their presence in that building. Later on, the symptoms