Accordingly, no single concentration will be uniformly useful, but will require {TAIL ~ modification} depending on the particularities of {HEAD ~ the disease} being treated 
Accordingly , no single concentration will be uniformly useful , but will require { TAIL ~ modification } depending on the particularities of { HEAD ~ the disease } being treated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH