What is endplate discogenic signal changes at T11-12?

Does a transistor convert DC to ac? How do you remove a ball type handle faucet? Why has C elegans proven to be a useful model for understanding apoptosis? Why does the largest heat loss occur in a condenser in regard to steam? Why is the positron emitter more than beta emitter in medium nuclei? What is Science of managing forests as a renewable source is called what? What two technologies made the building of skyscrapers possible in the late 1800s? What are all the rectangular arrays for 8? What is bypass ratio of turbine? How To get more clicks and more traffic on my classified website? What type of simple machines are can openers? Why do many webpages use graphical designs and images? How the screw change the world? What is the name of scientists who first invent hydro power? Does homeowners insurance cover plumbing repair to a leaking pipe behind a wall in the house? How do robotic surgery devices help physicians? FCMA starter principle and working during starting induction motor? Where can one purchase Technics amplifiers? What was the most significant invention of the Elizabethan period? What is interrupt and why used interrupt?