PubMed Bruised Chest References. Aihara R, Millham FH, Blansfield J, Hirsch EF. Emergency room thoracotomy for penetrating chest injury: effect of an institutional protocol.
in math the unit rate is a comparison of two different quantities when they are combined together discover the definition of the unit rate in math with tips from a mathematics tutor in this free video on math lessons
unit rate this is the price you will pay per unit kwh of energy so it can fluctuate depending on how much energy you use