TY  - RPRT
TI  - Simple method for protecting fresh smears from drying and deterioration during mailing.
AU  - G N PAPANICOLAOU
AU  - E L BRIDGES
PY  - 1957
DO  - 10.1001/jama.1957.62980120008007c
UR  - https://pubmed.ncbi.nlm.nih.gov/13438696/
ID  - 13438696
ER  -