“…After needle insertion, the five tests encompassing the ( i) aspiration test (AT), (ii) injection test (IT), (iii) recovery test (RT), (iv) saline drop test (SDT), and (v) initial intraperitoneal pressure test (IIPT) 12 10 [mmHg] were performed [1], [12]. Details for such tests may be found in [5]. The IT, RT and SDT were performed and recorded according to a pre-established protocol, one after the other, regardless of the results (positive or negative).…”