1.
Zentralbl Bakteriol Orig A
; 222(1): 27-33, 1972 Oct.
Article
in German
| MEDLINE
| ID: mdl-4145149
2.
Z Gesamte Hyg
; 18(10): 734-40, 1972 Oct.
Article
in German
| MEDLINE
| ID: mdl-4667238
3.
Z Gesamte Hyg
; 18(8): 610-4, 1972 Aug.
Article
in German
| MEDLINE
| ID: mdl-4639703
4.
Zentralbl Bakteriol Orig
; 214(1): 9-12, 1970.
Article
in English
| MEDLINE
| ID: mdl-5528287