Lung-protective mechanical ventilation for patients undergoing abdominal laparoscopic surgeries: a randomized controlled trial oleh Trung Kien Nguyen, Viet Luong Nguyen, Truong Giang Nguyen, Duc Hanh Mai, Ngoc Quynh Nguyen, The Anh Vu, Anh Nguyet Le, Quang Huy Nguyen, Chi Tue Nguyen, Dang Thu Nguyen