1.
Kinderarztl Prax
; 45(6): 249-56, 1977 Jun.
Article
in German
| MEDLINE
| ID: mdl-894919
2.
Kinderarztl Prax
; 40(7): 315-25, 1972 Jul.
Article
in German
| MEDLINE
| ID: mdl-5074842