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. 2005 Jun 30;20(2):152–158. doi: 10.3904/kjim.2005.20.2.152

Figure 1.

Figure 1

Experimental protocols and groups. Protocol A: sensitization using OVA with (IPOA-2) or without (IPO-2) alum by intraperitoneal injection on days 1 and 14, and inhalation challenge with 1% OVA on days 28, 29, and 30. Protocol B: sensitization using OVA with (IPOA-7) or without (IPO-7) alum by intraperitoneal injection on alternative days (seven times) for 2 weeks and inhalation challenge with 1% OVA on days 42, 43, 44. Protocol C: sensitization by 20-min inhalation of 1% OVA (IHO-10) or PBS daily for 10 days and inhalation challenge with 1% OVA on days 28, 29, and 30. OVA: ovalbumin.