Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
benign bile » benign bone (Expandir a Pesquisa)
bile system » bile systems (Expandir a Pesquisa), file system (Expandir a Pesquisa), pile system (Expandir a Pesquisa)
belt drive » test drive (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
canal dcs » canal das (Expandir a Pesquisa), canal dos (Expandir a Pesquisa), canal ducts (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
j belt » j bell (Expandir a Pesquisa), j bela (Expandir a Pesquisa), j bellot (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 belt drive system dis ) or ( i ventral nerve canal dcs ))) or ( j benign bile system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j belt drive system dis ) OR ( i ventral nerve canal dcs ))) OR ( j benign bile system dis ))*.