Talvez deva tentar algumas variações de ortografia:
medulla nerve » medullated nerve (Expandir a Pesquisa), medulla derived (Expandir a Pesquisa), medulla rvm (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve causes » nerve caused (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa), nerve cause (Expandir a Pesquisa)
causes does » causes des (Expandir a Pesquisa), cause does (Expandir a Pesquisa), campuses does (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa)
_ medulla » _ medullary (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (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: (((( i cent nerve cyst due ) or ( i central nerve causes does ))) or ( _ medulla nerve cyst d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent nerve cyst due ) OR ( i central nerve causes does ))) OR ( _ medulla nerve cyst d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cent nerve cyst due ) or ( i central nerve causes does ))) or ( _ medulla nerve cyst d ))*.