1.
Torax
; 19(2): 101-8, 1970 Jun.
Article
in Spanish
| MEDLINE
| ID: mdl-4923620
Subject(s)
Respiratory Tract Infections/etiology , Acute Disease , Adolescent , Adult , Aged , Bacteriological Techniques , Blood Protein Electrophoresis , Child , Child, Preschool , Female , Humans , Male , Methods , Middle Aged , Serologic Tests
2.
Torax
; 17(1): 84-6, 1968 Mar.
Article
in Spanish
| MEDLINE
| ID: mdl-5724278