Talvez deva tentar algumas variações de ortografia:
femoral nerve » femoral neck (Expandir a Pesquisa)
benign drive » benign liver (Expandir a Pesquisa), benign bile (Expandir a Pesquisa), benign drug (Expandir a Pesquisa)
cent drive » center drive (Expandir a Pesquisa), test drive (Expandir a Pesquisa), belt drive (Expandir a Pesquisa)
i femoral » ii femoral (Expandir a Pesquisa), bi femoral (Expandir a Pesquisa), _ femoral (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
system d » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa), system des (Expandir a Pesquisa)
a benign » _ benign (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can bddcs (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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: (((( i cent drive system d ) or ( i femoral nerve can dcs ))) or ( a benign drive system d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent drive system d ) OR ( i femoral nerve can dcs ))) OR ( a benign drive system d ))*.