Talvez deva tentar algumas variações de ortografia:
crest derived » host derived (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
derived cd4 » derived cd34 (Expandir a Pesquisa), derived c (Expandir a Pesquisa), derived cell (Expandir a Pesquisa)
benzo nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j crest » _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa), 5 crest (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
j benzo » j bento (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa)
cd4 di » cd4 dim (Expandir a Pesquisa), cd4 de (Expandir a Pesquisa), cd4 da (Expandir a Pesquisa)
c dce » co dce (Expandir a Pesquisa), cg dce (Expandir a Pesquisa), _ dce (Expandir a Pesquisa)
cat d » cat do (Expandir a Pesquisa), catt d (Expandir a Pesquisa), cat _ (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 crest derived cd4 di ) or ( _ ventral nerve c dce ))) or ( j benzo nerve cat d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j crest derived cd4 di ) OR ( _ ventral nerve c dce ))) OR ( j benzo nerve cat d ))*.