Nejat Kaplanoğlu, Özcan Erhan, Orhan Yurtseven

(Urol Res Pract 1976; 2: 81-84)

Nejat Kaplanoğlu, Özcan Erhan, M. Ali Bölükoğlu, Orhan Yurtseven

(Urol Res Pract 1976; 2: 85-88)

Yıldız Erhan, Özcan Erhan, Erol Güneri, Orhan Yurtseven, Hidayet Hakim

(Urol Res Pract 1976; 2: 89-92)

Özcan Erhan, Orhan Yurtseven, Cumhur Ertekin, Fatin Reel

(Urol Res Pract 1980; 6: 189-194)

Özcan Erhan, Gül Yüce, Yavuz Aksu, Orhan Yurtseven

(Urol Res Pract 1981; 7: 35-39)

Özcan Erhan, H.N. Toktay, N. Mülazımoğlu, Orhan Yurtseven, Atalay Gürsan

(Urol Res Pract 1981; 7: 229-233)