1.
Khirurgiia (Sofiia)
; 37(5): 409-11, 1984.
Article
in Bulgarian
| MEDLINE
| ID: mdl-6503191
2.
Khirurgiia (Sofiia)
; 34(6): 602-10, 1981.
Article
in Bulgarian
| MEDLINE
| ID: mdl-7321452
3.
Adv Cardiol
; 19: 254-6, 1977.
Article
in English
| MEDLINE
| ID: mdl-138346
4.
Adv Cardiol
; 19: 283-5, 1977.
Article
in English
| MEDLINE
| ID: mdl-138349