| http://www.w3.org/ns/prov#value | - In an attempt to eliminate this problem, a flow cytometer including multiple lasers can be configured to operate the lasers or other light sources, such as arc lamps, in an intermittent or pulsed manner as described, for example, in U.S. Pat. No. 4,573,796 to Martin et al., U.S. Pat. No. 5,185,265 to Steen et al. and U.S. Pat. No. 4,006,360 to Mueller, and in a publication by H. B. Steen and O. J.
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