I watched a group of nurses discussing this on TV and they came...

  1. 25,385 Posts.
    lightbulb Created with Sketch. 29
    I watched a group of nurses discussing this on TV and they came up with the possible figure that about one in thirty in which they struck blood, but they did say it was just a guess as there were no research in this matter
 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.