DTH reactions may include, but are not limited to, contact dermatitis (eg, poison ivy rash), tuberculin skin test reactions, granulomatous inflammation (eg, sarcoidosis, Crohn disease), allograft rejection, graft versus host disease, and autoimmune hypersensitivity reactions.
tricks of the trade. 1  Clever ways of operating a business or performing a task or activity, especially slightly dishonest or unfair ones. For example, Alma knows all the tricks of the trade, cutting the fabric as close as possible, or The butcher weighs meat after it's wrapped; charging for the packaging is one of the tricks of the trade.
Trade (sports) In North American professional sports, a trade is a sports league transaction between sports clubs that involves an exchange of players from one club/team to another. Though players are the primary trading assets, draft picks and/or cash are other assets that may be supplemented to consummate a trade, either packaged alongside players' contracts to be transferred to another team, or as standalone assets in exchange for players' contracts and/or draft picks in return. In Major League Baseball, a