Centuries: 9th century - 10th century - 11th century
Decades: 870s 880s 890s 900s 910s - 920s - 930s 940s 950s 960s 970s
Years: 921 922 923 924 925 - 926 - 927 928 929 930 931
Births
Deaths
... of kidney stones through the urethra can be painful and subsequently it can lead to urethral strictures[?] Endoscopy of the bladder via the urethra is called ...