{TAIL ~ The route} of {HEAD ~ administration} may be intravenous , intramuscular , subcutaneous , intradermal , intraperitoneal , intrathecal , intrapleural, intrauterine, rectal, vaginal, topical, intratumor and the like 
{ TAIL ~ The route } of { HEAD ~ administration } may be intravenous , intramuscular , subcutaneous , intradermal , intraperitoneal , intrathecal , intrapleural , intrauterine , rectal , vaginal , topical , intratumor and the like
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH