Talvez deva tentar algumas variações de ortografia:
benton steven » brunton steven (Expandir a Pesquisa), benton stephen (Expandir a Pesquisa), burton steven (Expandir a Pesquisa)
treated seed » treated skin (Expandir a Pesquisa), treated soil (Expandir a Pesquisa), treated sh (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
steven chao » steven hao (Expandir a Pesquisa), steven zhao (Expandir a Pesquisa), steven chang (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
seed can » speed can (Expandir a Pesquisa), seeds can (Expandir a Pesquisa), seed cane (Expandir a Pesquisa)
j benton » j benito (Expandir a Pesquisa)
chao dis » chao dos (Expandir a Pesquisa), chao di (Expandir a Pesquisa), chao das (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (Expandir a Pesquisa)
can de » can diet (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a treated seed can dis ) OR ( i renal nerve can de ))) OR ( j benton steven chao dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a treated seed can dis ) or ( i renal nerve can de ))) or ( j benton steven chao dis ))*.