Talvez deva tentar algumas variações de ortografia:
femoral nerve » femoral neck (Expandir a Pesquisa)
dental drive » dental derived (Expandir a Pesquisa), central drive (Expandir a Pesquisa), dental drill (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
cr femoral » c femoral (Expandir a Pesquisa), cocr femoral (Expandir a Pesquisa), acl femoral (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j dent (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
l benign » ml benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa), l benin (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (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 dental drive system dis ) or ( cr femoral nerve cyst due ))) or ( l benign nerve cyst d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j dental drive system dis ) OR ( cr femoral nerve cyst due ))) OR ( l benign nerve cyst d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j dental drive system dis ) or ( cr femoral nerve cyst due ))) or ( l benign nerve cyst d ))*.