Pectus excavatum
Card's contents:603,083 GYLLENSWARD A. /współaut./ Pectus excavatum. A clinical study with long term postoperative follov-up. By A. Gyllensward /i in./. Uppsala 1975 Almqvist and Wiksell 8° s. 14. Acta Paediatrica Scandinavica, suppl. 255