Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
mental nerve » central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
i ventral » ii ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
ii cent » ii center (Expandir a Pesquisa), ii centre (Expandir a Pesquisa), ii centro (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: (((( ii cent nerve system de ) or ( i ventral nerve system de ))) or ( j mental nerve cyst due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( ii cent nerve system de ) OR ( i ventral nerve system de ))) OR ( j mental nerve cyst due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ii cent nerve system de ) or ( i ventral nerve system de ))) or ( j mental nerve cyst due ))*.