Talvez deva tentar algumas variações de ortografia:
benito nerve » benign nerve (Expandir a Pesquisa), benito narvaez (Expandir a Pesquisa), benito eva (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
cre derived » core derived (Expandir a Pesquisa), care derived (Expandir a Pesquisa), pre derived (Expandir a Pesquisa)
derived cd4 » derived cd34 (Expandir a Pesquisa), derived c (Expandir a Pesquisa), derived cell (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
case diets » cake diets (Expandir a Pesquisa), cane diets (Expandir a Pesquisa), based diets (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j benito » de benito (Expandir a Pesquisa), j benitez (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benesi (Expandir a Pesquisa), j bender (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: (((( _ cre derived cd4 diets ) or ( j benet nerve case diets ))) or ( j benito nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ cre derived cd4 diets ) OR ( j benet nerve case diets ))) OR ( j benito nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ cre derived cd4 diets ) or ( j benet nerve case diets ))) or ( j benito nerve system dis ))*.