Talvez deva tentar algumas variações de ortografia:
absent current » agent current (Expandir a Pesquisa), patient current (Expandir a Pesquisa), abscess current (Expandir a Pesquisa)
current change » current changes (Expandir a Pesquisa), current charge (Expandir a Pesquisa), current channel (Expandir a Pesquisa)
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
neural causes » natural causes (Expandir a Pesquisa), neural changes (Expandir a Pesquisa), neurons causes (Expandir a Pesquisa)
change due » changes due (Expandir a Pesquisa)
causes dis » causes disk (Expandir a Pesquisa), causes des (Expandir a Pesquisa), causes dose (Expandir a Pesquisa)
17 absent » _ absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa), eo absent (Expandir a Pesquisa)
j central » 1hfj central (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: (( 17 absent current change due ) or ( j central neural causes dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 17 absent current change due ) OR ( j central neural causes dis ))*.