1.
Am J Med Sci
; 258(3): 203-8, 1969 Sep.
Article
in English
| MEDLINE
| ID: mdl-5824862
2.
Dis Chest
; 52(3): 417-9, 1967 Sep.
Article
in English
| MEDLINE
| ID: mdl-6072046
3.
JAMA
; 247(13): 1815-8, 1982 Apr 02.
Article
in English
| MEDLINE
| ID: mdl-7038164