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He reminded the audience that for those problems linked to treatment , the approaches studied in the past year have included intermittent treatment ( such as one week off / one week on for those with a viral load < 50 ) as well as longer pulses of therapy , such as treating to get a high CD4 count and then interrupting and restarting only at lower CD4 cell counts . In the event that the total amount to be subcontracted represents a substantial portion ( > 50 % ) of the proposed direct costs , the Principal Investigator should contact the OSP for guidance . While these procedures are general in nature , they are intended to conform to misconduct-in-science policies promulgated by the Public Health Service ( 42 CFR 50 ) and the National Science Foundation ( 45 CFR 689 ) . NEARNET-BB authenticates the message , checks its database and discovers that 20kbps of the allocation to MIT is unused and the policy at that boundary is to not inform MIT when part of the allocation is about to be used ( " < 50 ok " where the total allocation is 50 ) . It is defined as the incremental area under the blood glucose response curve ( AUC ) elicited by a portion of food containing 50 g available carbohydrate , expressed as a percentage of the AUC elicited by 50 g glucose taken by the same subject .