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
Definition of piece rate: Payment by results. Wage determination system in which the employee is paid for each unit of production at a fixed rate.