Let's address these one by one:
Not a Federal gun control study.Handgun regulations, crime, assaults, and homicide. A tale of two cities.
Not a study pertaining to the United States.Dramatic reductions in overall firearm related deaths and particularly suicides by firearms
were achieved in the context of the implementation of strong regulatory reform.
Not a Federal gun control study.Gun control and suicide: the impact of state firearm regulations in the United States, 1995-2004.
Not a study pertaining to the United States.Male firearm suicide rates declined following the introduction of restrictive firearms regulations in Canada.
Not a study pertaining to the United States.Our findings provide evidence that the introduction of restrictive firearm legislation effectively
reduced the rates of firearm suicide and reduced the rates of firearm suicide and homicide.
Not a Federal gun control study.Results support the hypothesis that state restrictions on firearms have the potential to reduce the suicide rate.
Study results are not available via this link.The authors examine relevant characteristics of the laws and recommend that these laws be mandatory, apply to all guns and ammunition possessed by an abuser, and include clear procedures to enhance implementation.
So, yes, please continue until you post a relevant study, because by your own admission: