title: Friederick Wilhelm Ludwig (1815-1895).
mesh_terms: D005374:Filtration; D005858:Germany; D049672:History, 19th Century; D006874:Hydrostatic Pressure; D007668:Kidney / Q000033:anatomy & histology / Q000502:physiology; D007678:Kidney Glomerulus / Q000502:physiology; D007684:Kidney Tubules / Q000502:physiology; D014556:Urine / Q000502:physiology