Talvez deva tentar algumas variações de ortografia:
crespo derived » crest derived (Expandir a Pesquisa), cre derived (Expandir a Pesquisa), tempo derived (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
derived car » derived c (Expandir a Pesquisa), derived cd4 (Expandir a Pesquisa), derived cd8 (Expandir a Pesquisa)
j benitez » f benitez (Expandir a Pesquisa), a benitez (Expandir a Pesquisa)
benitez a » benitez _ (Expandir a Pesquisa), benitez d (Expandir a Pesquisa), benitez e (Expandir a Pesquisa)
j crespo » g crespo (Expandir a Pesquisa), a crespo (Expandir a Pesquisa), m crespo (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
car dis » car disc (Expandir a Pesquisa), car dias (Expandir a Pesquisa), care dis (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: (( j crespo derived car dis ) or ((( j benign nerve case dis ) or ( j benitez a _ dog ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j crespo derived car dis ) OR ((( j benign nerve case dis ) OR ( j benitez a _ dog ))))*.