Talvez deva tentar algumas variações de ortografia:
central reserve » central reservoir (Expandir a Pesquisa), central research (Expandir a Pesquisa), central resource (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
letter nerve » letter nurse (Expandir a Pesquisa), matter nerve (Expandir a Pesquisa), letter nervous (Expandir a Pesquisa)
pig ventral » pig antral (Expandir a Pesquisa), pig ventricle (Expandir a Pesquisa), using ventral (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
j letter » bj letter (Expandir a Pesquisa), cj letter (Expandir a Pesquisa), j letters (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
c disc » c disch (Expandir a Pesquisa), isc disc (Expandir a Pesquisa)
a des » a dos (Expandir a Pesquisa), a del (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 letter nerve a des ) or ( pig ventral nerve c disc ))) or ( j central reserve system dias ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j letter nerve a des ) OR ( pig ventral nerve c disc ))) OR ( j central reserve system dias )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j letter nerve a des ) or ( pig ventral nerve c disc ))) or ( j central reserve system dias ))*.