Talvez deva tentar algumas variações de ortografia:
crest derived » host derived (Expandir a Pesquisa)
benigno nerve » benigno leyva (Expandir a Pesquisa), benign nevi (Expandir a Pesquisa)
derived case » derived cage (Expandir a Pesquisa), derived cast (Expandir a Pesquisa), derived cages (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
j benigno » a benigno (Expandir a Pesquisa), _ benigno (Expandir a Pesquisa), c benigno (Expandir a Pesquisa)
j benign » _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa), 1 benign (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: (( _ crest derived case does ) or ((( j benigno nerve system dis ) or ( j benign nerve _ dos ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ crest derived case does ) OR ((( j benigno nerve system dis ) OR ( j benign nerve _ dos )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ crest derived case does ) or ((( j benigno nerve system dis ) or ( j benign nerve _ dos ))))*.