Research Article

Synthesis, Characterization, and Acute Oral Toxicity Evaluation of pH-Sensitive Hydrogel Based on MPEG, Poly(ε-caprolactone), and Itaconic Acid

Figure 7

Photograph of mice cardiac muscle, liver, spleen, lung, kidney, stomach, duodenum, jejunum, ileum, colon, and testes after oral administration of P(ECA-IA-MEG) hydrogel (40x), ((b), (d), (f), (h), (j), (l), (n), (p), (r), (t), (v)) and of the control group ((a), (c), (e), (g), (i), (k), (m), (o), (q), (s), (u)).
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