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Shin splints — or medial tibial stress syndrome (MTSS) refers to pain along or just behind the shins with sports that apply extreme pressure to the legs, such as gymnastics. Ten to fifteen percent of running injuries are shin splints. Contents 1 Causes 2… … Wikipedia
Coal tar — is a brown or black liquid of extremely high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is among the by products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable … Wikipedia

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