Talvez deva tentar algumas variações de ortografia:
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
medulla serve » medulla nerve (Expandir a Pesquisa), medulla sede (Expandir a Pesquisa), medulla derived (Expandir a Pesquisa)
neural case » neutral case (Expandir a Pesquisa), neural causes (Expandir a Pesquisa), neural phase (Expandir a Pesquisa)
serve case » nerve case (Expandir a Pesquisa), service case (Expandir a Pesquisa), reserve case (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
bei serve » i serve (Expandir a Pesquisa), gi serve (Expandir a Pesquisa), mri serve (Expandir a Pesquisa)
j medulla » _ medulla (Expandir a Pesquisa), a medulla (Expandir a Pesquisa), da medulla (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case did (Expandir a Pesquisa), case does (Expandir a Pesquisa)
case di » case did (Expandir a Pesquisa), case dti (Expandir a Pesquisa), case de (Expandir a Pesquisa)
ai bei » cai bei (Expandir a Pesquisa), hai bei (Expandir a Pesquisa), kai bei (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 neural case di ) or ( ai bei serve case dis ))) or ( j medulla serve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central neural case di ) OR ( ai bei serve case dis ))) OR ( j medulla serve case dis ))*.