Cross Platform station diagram from Urban Transit book Cross-platform interchanges allow much easier transfers between two lines heading in the same direction. Implementing a cross-platform ...

Spinal stenosis is a narrowing of the spinal canal that causes compression of the spinal cord and/or nerve roots. Resulting pain and numbness (in the hands, arms, legs, and/or feet) can vary depending ...

Laminectomy is a type of spinal decompression surgery where a surgeon removes the bony arch from one or more of your spinal bones (vertebrae). This widens the space around your spine and can help ...

BRMW is a free open source entity-relationship database modeling tool. We're working to make learning database modeling simple and accessible for everyone.