297,801 INTERNATIONAL International Symposium on Pediatric and Surgical andrology : cryptorchidism March 26-27, 1987, Basle, Switzerlant.: on the occasion of the 125th anniversary of the Children s Hospital Basle. — Berlin ; Heidelberg : Springer International, 1987. — [4], 68 s. : il., wykr. ; 28 cm (European Journal of Paediatrics, ISSN 0340-6199 ; suppl. 2 to vol. 146)