| Darwin | A pension scheme <a href=" http://www.ciomr.org/en/?kpa-viagra-i-ungern#designed ">viagra age range</a> European scientists followed the progress of over 6,600 men and 7,900 women, aged between 20 and 65. None of the participants had heart disease at the beginning of the study and all were monitored for an average of 12 years. |
|