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)
absent nails » absent calls (Expandir a Pesquisa), bent nails (Expandir a Pesquisa), absent native (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
nerve fat » nerve fatty (Expandir a Pesquisa), nerves fate (Expandir a Pesquisa), nerve flap (Expandir a Pesquisa)
fat diets » fat diet (Expandir a Pesquisa)
nails fat » nails a (Expandir a Pesquisa), nails can (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (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 dis ) or ( i crest nerve fat diets ))) or ( j absent nails fat diets ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system dis ) OR ( i crest nerve fat diets ))) OR ( j absent nails fat diets )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system dis ) or ( i crest nerve fat diets ))) or ( j absent nails fat diets ))*.