1.
Z Arztl Fortbild (Jena)
; 87(3): 229-31, 1993 Mar 12.
Article
in German
| MEDLINE
| ID: mdl-8470409
2.
Z Arztl Fortbild (Jena)
; 86(11): 559-63, 1992 Jun 10.
Article
in German
| MEDLINE
| ID: mdl-1621400