TY  - RPRT
TI  - Pneumococcal antibodies in maxillary sinus secretion.
AU  - C Carenfelt
PY  - 1977
DO  - 10.3109/inf.1977.9.issue-4.04
UR  - https://pubmed.ncbi.nlm.nih.gov/601521/
ID  - 601521
ER  -