| PAPANICOLAOU STAIN EA 50 | 04061833835388 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN EA 50 | 04061833835395 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN EA 50 | 04061838261878 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN EA 65 | 04061838207692 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN MODIFIED EA 65 | 04061838207661 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN OG 6 | 04061833835340 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN OG 6 | 04061833835357 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN OG 6 | 04061833835364 | Sigma-Aldrich Corporation | Class A | |
| PAPANICOLAOU STAIN OG 6 | 04061833835371 | Sigma-Aldrich Corporation | Class A | |