Talvez deva tentar algumas variações de ortografia:
absent nervous » insect nervous (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa), affect nervous (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
17 absent » _ absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa), eo absent (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (Expandir a Pesquisa)
cn dcs » can dcs (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 cent nerve case does ) or ( a central nerve cn dcs ))) or ( 17 absent nervous system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cent nerve case does ) OR ( a central nerve cn dcs ))) OR ( 17 absent nervous system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent nerve case does ) or ( a central nerve cn dcs ))) or ( 17 absent nervous system dis ))*.