The compounds may be administered in {TAIL ~ a form} suitable for immediate release or {HEAD ~ extended release} 
The compounds may be administered in { TAIL ~ a form } suitable for immediate release or { HEAD ~ extended release }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD