Below is a list of online resources for further reading of the topics of mens health, premature ejaculation and techniques to help you last longer in bed naturally. Should you know of any other sites or document that are informative on the topic please feel free to let us know.
A description of premature ejaculation
Government site on PE
A scientific look at the occurrence of lifelong premature ejaculation in men http://www.science.gov/topicpages/l/lifelong+premature+ejaculation.html
A great site with practical methods and exercises to prevent premature naturally
Emedicine on premature ejaculation