Research Article
In Vivo Investigation of ALBO-OS Scaffold Based on Hydroxyapatite and PLGA
Table 2
Index of primary cutaneous irritation.
| PII | Classification of the test preparation |
| 0–0.4 | Nonirritant | 0.5–1.9 | Mild irritant | 2–4.9 | Irritant | 5–8 | Very irritant |
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