1 The Effect of Ejaculation Frequency on Serum Prostate-Specific Antigen Level.  Objective: Serum prostate-specific antigen (PSA) levels are very important in the diagnosis of prostate cancer. Besides prostate cancer, PSA levels can also be increased by cystoscopy, prostate biopsy, prostatitis, and manipulation. There are also studies reporting that ejaculation affects serum...
The Westminster system is a democratic parliamentary system of government modelled after that which developed in the United Kingdom. This term comes from the Palace of Westminster, the seat of the British parliament.The system is a series of procedures for operating a legislature.ost of the procedures of the Westminster system originated with the conventions, practices, and precedents of the Parliament of the United Kingdom, which form a part of what is known as the Constitution of the United Kingdom.
1 In a presidential system, the central principle is that the legislative and executive branches of government are separate. 2  This leads to the separate election of president, who is elected to office for a fixed term, and only removable for gross misdemeanor by impeachment and dismissal.