A cross-linguistic observation about the acquisition of relative clauses is that different types emerge at different points in time. Those involving a subject dependency (as in (1a)) are acquired early, whereas those involving an object dependency are acquired later (1b) (see Adani, van der Lely, Forgiarini, & Guasti 2010; Adani 2011; Arnon 2005, 2009; Arosio, Guasti, & Stucchi 2011; Bentea, Du...

Since an early age of heart surgery, atrial fibrillation has been a frequent companion the postoperative period, and its decline is not to be expected in near future.The interpretation clinical significance changed recent years, after knowing recurrent trend association with serious immediate long-term complications.This fact unveils new challenge, as it no longer minor problem consideration re...

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