Rezension:
What do you do for a living? information on revatio This type of study can\'t prove causation, and the researchers noted that it is theoretically possible that people who live in states with higher levels of firearm homicide are more likely to purchase guns. But the study also found that a state\'s percentage of gun ownership, when lagged by a year or two, was still a significant predictorâ?¨of firearm homicide rates.
