Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
center nurse » center nurses (Expandir a Pesquisa), letter nurse (Expandir a Pesquisa), cancer nurse (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
j recurrent » g recurrent (Expandir a Pesquisa), iv recurrent (Expandir a Pesquisa), its recurrent (Expandir a Pesquisa)
delta nerve » beta nerve (Expandir a Pesquisa), deltoid nerve (Expandir a Pesquisa), deltas served (Expandir a Pesquisa)
system sdcs » system dcs (Expandir a Pesquisa), system sedds (Expandir a Pesquisa), system bddcs (Expandir a Pesquisa)
nurse cat » nurse can (Expandir a Pesquisa), nurse ca (Expandir a Pesquisa), nurse cadet (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j center nurse cat dis ) OR ( j recurrent nerve cat dis ))) OR ( j delta nerve system sdcs ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j center nurse cat dis ) OR ( j recurrent nerve cat dis ))) OR ( j delta nerve system sdcs ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nurse cat dis ) OR ( j recurrent nerve cat dis ))) OR ( j delta nerve system sdcs ))*.