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Since then, medical professionals from across the country have been tweeting back at the NRA, sharing stories and photos of bloody trauma rooms after treating gunshot victims, using the hashtag #ThisIsOurLane and #ThisIsMyLane.

\"We have a violence problem,\" Dr. Stewart said. \"And if we do that while making firearm ownership as safe as reasonably possible we can get to long term solutions. We can get to the way America normally solves problems.\"

Two weeks ago, the American College of Surgeons Committee, which both Eastridge and Stewart belong to, published a paper proposing new gun safety measures, hoping to bridge the political divide. Eighteen of the paper’s 22 authors own firearms.

Dr. Eastridge said his own experience treating the Sutherland Springs shooting victims took an emotional toll on him and his staff.

\"Dr.
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Dr. Brian Eastridge is seen here during an interview with "Nightline."
>

\"Everybody really collapsed sort of later that afternoon,\" he said. \"We all shed a lot of tears later that day and the days subsequent.\"

For everyone involved in the San Antonio mock shooting drill, from hospital teams, first responders, to the actors, this was personal because they knew that what they were learning in the drill would save lives in the future.

\"This is what keeps me awake at night time - to have a situation like this in the city and we’re not prepared to respond to it,\" Chief Hood said. \"So to have all of these resources available to train together, to practice together, to build a relationship is going to help us when the real deal happens.\"

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