[Intl_DxMedPhys] Establishing Local DRL for IR procedures

[Khalid Al Hashmi]

Hi All,
 I have a task to establish facility or local DRL for IR procedures and It is really challenging due to procedures complexity, operator-dependent, standardization of procedure name, and many other factors.
I have referred to ICRP publication 135 and I am just coating " apublished analysis of quantities for FGI procedures, using data from allpatients regardless of weight, yields results that are similar to those from ananalysis limited to patients in the weight range of 65–85 kg (IAEA, 2009). Thisis consistent with previous studies which showed that the amount of radiationused for FGI procedures is affected much more by procedure complexity than bypatient weight (IAEA, 2009; Miller et al., 2009) (p.72)"
So, my two questions are:1- which approach you would choose, All patients regardless the weight or 20-30 patients with weight range 65 to 85?2- is there any recent publications?!
THank you for your help in advance, 
Best Regards, 
Khalid  
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