Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
current care » current cancer (Expandir a Pesquisa), current clamp (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
care cone » care core (Expandir a Pesquisa), care come (Expandir a Pesquisa), care corner (Expandir a Pesquisa)
cone dis » cone disk (Expandir a Pesquisa), cone das (Expandir a Pesquisa), cone davis (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (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 system dcs ) or ( i current care cone dis ))) or ( j absent nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system dcs ) OR ( i current care cone dis ))) OR ( j absent nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system dcs ) or ( i current care cone dis ))) or ( j absent nerve case dis ))*.