“…Four studies investigated the use of beta adrenergic receptors agonists (Hanevik et al, 2012;Pinheiro et al, 2003;Rabiee et al, 2011;Tsirigotis et al, 2000). Seven studies investigated the use of prostaglandin synthetase inhibitors (Asgharnia et al, 2007;Bernabeu et al, 2006;Dal Prato and Borini, 2009;Firouzabadi et al, 2007;Moon et al, 2004;Sohrabvand et al, 2009Sohrabvand et al, , 2014.…”