controlled sodium content diet (0.4 %) (between 70 and 84 days) then calcium-free buffer solution

 controlled sodium content diet (0.4 %) (between 70 and 84 days) then physiological salt solution perfusate

 controlled sodium content diet (0.4 %) (between 70 and 84 days) then controlled sodium content diet (4 %) (for 6 days) then angiotensin II (100 ng/kg/min) (for 3 days) then controlled calcium ion content physiological salt solution perfusate (0 %)

 controlled sodium content diet (0.4 %) (between 70 and 84 days) then controlled sodium content diet (4 %) (for 6 days) then angiotensin II (100 ng/kg/min) (for 3 days) then physiological salt solution perfusate

 controlled sodium content diet (0.4 %) (between 70 and 84 days) then controlled sodium content diet (4 %) (for 6 days) then vehicle control condition (for 3 days) then controlled calcium ion content physiological salt solution perfusate (0 %)

 controlled sodium content diet (0.4 %) (between 70 and 84 days) then controlled sodium content diet (4 %) (for 6 days) then vehicle control condition (for 3 days) then physiological salt solution perfusate