There is disclosed a method of treating male impotence in a person in need of such treatment, which comprises enhancing the effectiveness of the person’s immune system by the administration to such person of an effective amount of at least one water-soluble aminoacid represented by formula . Communication is initiated with the splitter implemented in a storage controller managing access to primary volumes. The tube is comprised of a translucent material such as plastic or glass. The digital tooth image has intensity values for pixels corresponding to the one or more teeth and background. Accordingly, output transmission to the vehicle is controlled and the stability and reliability of the output data is increased.