TY  - RPRT
TI  - A simplified silver impregnation method.
AU  - J L Velayos
AU  - M F Lizarraga
PY  - 1973
DO  - 10.1007/bf01913300
UR  - https://pubmed.ncbi.nlm.nih.gov/4125752/
ID  - 4125752
ER  -