Talvez deva tentar algumas variações de ortografia:
novel crystal » novel crosstalk (Expandir a Pesquisa), novel cryptic (Expandir a Pesquisa), novel distal (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
detect novel » detect non (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
crystal due » crystals due (Expandir a Pesquisa), crystal dual (Expandir a Pesquisa), crystal dyes (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
2 ventral » a ventral (Expandir a Pesquisa)
2 detect » 2 detects (Expandir a Pesquisa), e2 detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a due » _ due (Expandir a Pesquisa), a dye (Expandir a Pesquisa), i due (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 nerve system dis ) or ((( 2 detect novel crystal due ) or ( 2 ventral nerve a due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ crest nerve system dis ) OR ((( 2 detect novel crystal due ) OR ( 2 ventral nerve a due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ crest nerve system dis ) or ((( 2 detect novel crystal due ) or ( 2 ventral nerve a due ))))*.