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