Epidemiology 26 , 509517 (2015)
I told him that I would be talking to you and at the time, he thought that we had already spoken and he commented the following, so Im quoting Marty now
If that ball bearing is missing from inside your purge valve, then you will experience an airy pull , youll get virtually no smoke , and your water will likely show no, or very little, signs of bubbling

(1) For each applicable calendar quarter beginning on or after January 1, 2023, the reduced total rebate amount for a Part B rebatable drug currently in shortage will be calculated using the following formula: Equation 1 to Paragraph (b)(1) Reduced Total Rebate Amount = the total rebate amount multiplied by (1 minus applicable percent reduction) multiplied by (percentage of time drug was currently in shortage during the applicable calendar quarter) added to the total rebate amount multiplied by (1 minus percentage of time drug was currently in shortage during the applicable calendar quarter) (2) For purposes of paragraph (b)(1) of this section, the applicable percent reduction is: (i) For a Part B rebatable drug that is a plasma-derived product: (A) 75 percent for the first 4 consecutive applicable calendar quarters such drug is currently in shortage
The numbers suggest the exact opposite
responses to these questions were used to identify persons at risk for initiation (i.e., persons who had never used the substance as of 12 months prior to the interview date) and to identify past year initiates (i.e., persons who used the substance for the first time in the 12 months prior to the survey)