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