Talvez deva tentar algumas variações de ortografia:
benigno cells » benign cells (Expandir a Pesquisa), benign cell (Expandir a Pesquisa), benigno del (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
benito nerve » benign nerve (Expandir a Pesquisa), benito narvaez (Expandir a Pesquisa), benito eva (Expandir a Pesquisa)
cells cause » cells causes (Expandir a Pesquisa), cells caused (Expandir a Pesquisa)
nerve _ase » nerve case (Expandir a Pesquisa), nerve based (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa)
j benigno » a benigno (Expandir a Pesquisa), c benigno (Expandir a Pesquisa), _ benigno (Expandir a Pesquisa)
cause dti » case dti (Expandir a Pesquisa), cause di (Expandir a Pesquisa), cause data (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
_ase dti » case dti (Expandir a Pesquisa), based dti (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: (( a central nerve _ dis ) or ((( j benito nerve _ase dti ) or ( j benigno cells cause dti ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a central nerve _ dis ) OR ((( j benito nerve _ase dti ) OR ( j benigno cells cause dti ))))*.