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Table 2 Number of donors used for each treatment dose of WS-CM and ACM at 0 h, 4 h and 24 h. Doses in Eq-Nic. units. Vehicle refers to RPMI medium used to dilute WS-CM and ACM

From: Differential gene expression of 3D primary human airway cultures exposed to cigarette smoke and electronic nicotine delivery system (ENDS) preparations

Exposure time WS-CM ACM
Vehicle
0 µg/mL
Low
3.6 µg/mL
Medium
7 µg/mL
High
10 µg/mL
Vehicle
0 µg/mL
Low
7 µg/mL
Medium
14 µg/mL
High
28 µg/mL
0 h 4 donors 4 donors
4 h 4 donors 4 donors 4 donors 4 donors 4 donors 4 donors 4 donors 4 donors
24 h 4 donors 4 donors 4 donors 4 donors 4 donors 4 donors 4 donors 4 donors