private void button3_Click(object sender, EventArgs e)
        {
            FrmGestionarPaciente frm = new FrmGestionarPaciente();

            //frm.MdiParent = this;
            frm.Show();
        }
        private void btnMenuPacientes_Click(object sender, EventArgs e)
        {
            FrmGestionarPaciente frmPac = new FrmGestionarPaciente();

            frmPac.Show();
        }