This article presents a review of literature on the history of the study of theerection phenomenon and erectile dysfunction (ED).In the article the evolution of ED studiesis reviewed in a chronological order.Erectile dysfunction has been a major concern at all times.In here the process of human development the knowledge of anatomy, physiology of th
San Ramon, an introduced type of coconut from Philippines, has long been in Sri Lanka.San Ramon has the advantage of producing high copra, high oil, and high-quality timber and also seemed to be less variable for bunch characters.In addition, it is a type of coconut having an ability to withstand long droughts and also coconut mites.Due to these ou
Cancer prevention and control requires consideration of complex interactions between multilevel factors.System dynamics modeling, which consists of diagramming and simulation approaches for understanding and managing such complexity, is being increasingly applied to cancer prevention and control, but the breadth, characteristics, and quality of the