1.16.3.1 20 - assay at 728682 1.16.3.1 20 - standard assay at 714969 1.16.3.1 22 - assay at room temperature 746386 1.16.3.1 22 25 assay at 715667 1.16.3.1 23 - assay at 763245 1.16.3.1 25 - assay at 714037, 715926, 744437 1.16.3.1 37 - assay at 744470