OBJECTIVE: We evaluated the myocardial damage in rats treated with doxorubicin (DOX) alone and in combination with nitric oxide synthase (NOS) inhibitors. METHODS: Twenty-four male Sprague Dawley rats (12 weeks old. weighing 262+-18 g) were randomly assigned into 4 groups (n=6). Group I was the control group. https://parisnaturalfoodes.shop/product-category/cal-mag/