Dried blood spot, ultra purity cotton paper card 2x3 inch, research only, 50 pack - DBSV1-001Dried Blood Spot Cellulose Paper is a high purity alpha cotton linter absorbent filter paper...
Dried blood spot, ultra purity cotton paper card 3x4 inch, research only, 50 pack - DBSV1-002Dried Blood Spot Cellulose Paper is a high purity alpha cotton linter absorbent filter paper...