The incidence of SAH in women is higher than in men ratio of 3 to 2 <a href=http://cials.yachts>where can i buy cialis on line</a> Hypoxia triggers the expression of hypoxia inducible factor 1alpha HIF 1alpha, and HIF 1alpha has been associated with an impaired prognosis in breast cancer and down regulation of the oestrogen receptor ER, potentially affecting the treatment efficiency of antioestrogens