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The Journal of Urology|December 1, 1981
Morphological study of the ureterocele: a possible clue to its embryogenesis as evidenced by a locally arrested myogenesisS Tokunaka, T Gotoh, T Koyanagi, et al.
International Urology and Nephrology|January 1, 1977
Unusual extraperitoneal lesion of the pelvis: cloacal cyst with transitional cell carcinomaT Koyanagi, I Tsuji, K Motomura, et al.
The Journal of Urology|February 1, 1982
Histopathology of the nonrefluxing megaloureter: a clue to its pathogenesisS Tokunaka, T Koyanagi, I Tsuji, et al.
The Journal of Urology|July 1, 1982
Prostatic reflux: a simple radiographic sign in recognizing dysfunctioned voiding from external sphincter disordersT Koyanagi, K Arikado, T Takamatsu, et al.
The Journal of Urology|February 1, 1982
Relevance of sympathetic dyssynergia in the region of external urethral sphincter: possible mechanism of voiding dysfunction in the absence of (somatic) sphincter dyssynergiaT Koyanagi, K Arikado, T Takamatsu, et al.
The Journal of Urology|December 1, 1980
Paraureteral diverticula: clinical experience with 17 cases with associated renal dysmorphismS Tokunaka, T Koyanagi, T Matsuno, et al.
Urology|November 1, 1980
Ureteral ectopia in vestibule without urinary incontinenceT Koyanagi, S Hisajima, S Sakashita, et al.
International Urology and Nephrology|January 1, 1978
Intrarenal vascular obstruction of superior ureteropelvic junction causing nephralgia in a woman with complete duplex kidney. (a case of Fraley's syndrome in duplex kidney)T Koyanagi, T Takamatsu, M Terashima, et al.
The Journal of Urology|November 1, 1977
A spontaneous vesico-ectopic ureterovaginal fistula in a girlT Koyanagi, T Takamatsu, T Kaneta, et al.
The Journal of Urology|January 1, 1975
Transitional cell carcinoma of renal pelvis in an infantT Koyanagi, K Sasaki, K Arikado, et al.
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