1.
N Engl J Med
; 302(5): 295, 1980 Jan 31.
Article
in English
| MEDLINE
| ID: mdl-7350482
2.
Arch Intern Med
; 131(4): 560-2, 1973 Apr.
Article
in English
| MEDLINE
| ID: mdl-4121666
3.
Mayo Clin Proc
; 45(3): 219-28, 1970 Mar.
Article
in English
| MEDLINE
| ID: mdl-5265483