Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
retina nerve » retinal nerve (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
a retina » a retinal (Expandir a Pesquisa), da retina (Expandir a Pesquisa), na retina (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
c did » _ did (Expandir a Pesquisa), i did (Expandir a Pesquisa), c dir (Expandir a Pesquisa)
c due » c duke (Expandir a Pesquisa), _ due (Expandir a Pesquisa), i due (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: (((( a retina nerve c did ) or ( a central nerve case dis ))) or ( j mental nerve c due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a retina nerve c did ) OR ( a central nerve case dis ))) OR ( j mental nerve c due ))*.