Assertion: adenosine's level | /r/HasProperty | determined by elisa
Facets:
value: after challenge
type: TEMPORAL
Source sentences:
text: Three days after challenge, levels of CXCL-2 in the lung homogenates were determined by ELISA (A) and the mean florescent intensities (MFI) of CXCR2 (B) or CD18 (C) on PMNs (Ly6G+) recruited into the lungs were determined by flow cytometry (see Materials and Methods ).