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. 2018 Oct 2;35(11):226. doi: 10.1007/s11095-018-2491-5

Fig. 4.

Fig. 4

Filgrastim products on 4–12% Bolt® Bis­Tris gel visualized by silver staining. Neupogen (NE) batch 1042036A, PDgrastim (PD), Zarzio (ZA), Tevagrastim (TE) and Biocilin (BI) as well as additional batches of Neupogen (A-G).