Talvez deva tentar algumas variações de ortografia:
deltas observed » deaths observed (Expandir a Pesquisa), deltas served (Expandir a Pesquisa), cells observed (Expandir a Pesquisa)
observed cost » observed post (Expandir a Pesquisa), observed close (Expandir a Pesquisa), observed court (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa), cyst dna (Expandir a Pesquisa)
j deltas » _ deltas (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j delmas (Expandir a Pesquisa)
cost due » costs due (Expandir a Pesquisa), lost due (Expandir a Pesquisa), cyst due (Expandir a Pesquisa)
case di » case did (Expandir a Pesquisa), case dti (Expandir a Pesquisa), case de (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (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 cent nerve case di ) or ( i renal nerve cyst dis ))) or ( j deltas observed cost due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cent nerve case di ) OR ( i renal nerve cyst dis ))) OR ( j deltas observed cost due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent nerve case di ) or ( i renal nerve cyst dis ))) or ( j deltas observed cost due ))*.