Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
matter nurse » letter nurse (Expandir a Pesquisa), after nurse (Expandir a Pesquisa), better nurse (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
nurse case » nurse care (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i matter » i master (Expandir a Pesquisa), bmi matter (Expandir a Pesquisa), i matthew (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)

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 central nerve cyst due ) or ( i matter nurse case dis ))) or ( j mental nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve cyst due ) OR ( i matter nurse case dis ))) OR ( j mental nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve cyst due ) or ( i matter nurse case dis ))) or ( j mental nerve cat due ))*.