The effect of gel foam mattress use during total hip replacement surgeries on the development of pressure ulcers in the recovery unit: a quasi-experimental study Journal title: Medical Science and Discovery Authors: Büşra Şahin, Rahşan Çam Subject(s): Biophysics, Physiology, Surgery, Toxicology, Health Care Sciences & Services, Medicine, Research & Experimental, Medicine, General & Internal, Public, Environmental & Occupational Health, Pharmacology & Pharmacy, Biotechnology & Applied Microbiology, Biochemistry & Molecular Biology, Veterinary Sciences, Radiology, Nuclear Medicine & Medical Imaging, Clinical Neurology, Chemistry, Medicinal, Emergency Medicine