What is required is that the composition contain {HEAD ~ an effective amount} of immunologically active immunoglobulins that are preferably present in {TAIL ~ concentrated form} 
What is required is that the composition contain { HEAD ~ an effective amount } of immunologically active immunoglobulins that are preferably present in { TAIL ~ concentrated form }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL