Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
cancer nursing » cancer using (Expandir a Pesquisa), cancer arising (Expandir a Pesquisa), cancer causing (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
nursing apn » nursing a (Expandir a Pesquisa), nursing aid (Expandir a Pesquisa), nursing adv (Expandir a Pesquisa)
i ventral » ii ventral (Expandir a Pesquisa), c7 ventral (Expandir a Pesquisa), i venereal (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), et cancer (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (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 cancer nursing apn dis ) or ( i ventral nerve c dis ))) or ( a mehta reserve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer nursing apn dis ) OR ( i ventral nerve c dis ))) OR ( a mehta reserve system di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nursing apn dis ) or ( i ventral nerve c dis ))) or ( a mehta reserve system di ))*.