Polish Society of Nephrology to represent nephrologists’ community i.e. to develop and promote up-to-date clinical practice in the fields of nephrology, dialysis therapy and kidney transplantation as well as to take part in health care organization in the area of Society’s competence. PSN promotes kidney health by organizing educational meetings and cooperating with patient organizations. The aim of PSN is also to promote continuous professional development, research activities and international cooperation among its members. Young Nephrologists’ Club (YNC) of the PSN was established in 2014. The aim of the YNC is to cooperate with the Young Nephrologists’ Platform of the ERA-EDTA and to promote
The six organs in the Palace of Mafra The six organs in the Palace of Mafra Since their recent restoration, the six organs in the Basilica of the Palace of Mafra have become widely known around the world. The six instruments - designed and built all at the same time, and designed to play together as well - were built by the two most important Portuguese organ builders of the time – António Xavier Machado e Cerveira and Joaquim António Peres Fontanes – and were completed between 1806 and 1807. The last two were inaugurated on 4 October 1807, and a substantial number of compositions involving all six