Retaining walls need a drainage system to prevent water from causing structural and soil health issues. Weep holes spaced every four feet will suffice for shorter walls, but taller walls also need a ...
A stable, solid design for the most compact device in chest drainage applications designed with double collection chambers. It's suitable for adult and pediatric needs and has easy to read graduated ...
Introduction: Despite years of research, knowledge about the microbial populations of human physiological bile has remained limited. Bile sampling techniques, such as Endoscopic Retrograde ...