In systems with several effectors. the results of dose-response (DR) experiments are usually assessed by checking them against two hypotheses: independent action (IA) and concentration addition (CA). Both are useful simplifications. but do not represent the only possible responses. https://www.bekindtopets.com/limited-price-U-S-WWII-M3-Submachine-Grease-Gun-Replica-All-Metal-great-offer/