title: Comments of a frustrated Batavian friend having unsuccessfully practised yoga to solve the nephroquiz.
authors.forename: R A
authors.initials: RA
authors.lastname: Koene
mesh_terms: D004912:Erythrocytes / Q000473:pathology; D004913:Erythrocytes, Abnormal / Q000473:pathology; D005922:Glomerulonephritis, IGA / Q000097:blood / Q000175:diagnosis* / Q000652:urine; D006417:Hematuria / Q000097:blood / Q000652:urine; D006801:Humans; D014556:Urine / Q000166:cytology