Talvez deva tentar algumas variações de ortografia:
matter neuron » matter neurons (Expandir a Pesquisa), motor neuron (Expandir a Pesquisa)
maier viola » lanier viola (Expandir a Pesquisa), beier viola (Expandir a Pesquisa), walter viola (Expandir a Pesquisa)
j matthews » j matthew (Expandir a Pesquisa)
matthews h » matthews _ (Expandir a Pesquisa), matthews d (Expandir a Pesquisa), matthews b (Expandir a Pesquisa)
j matter » j mattera (Expandir a Pesquisa), j mattern (Expandir a Pesquisa), j mather (Expandir a Pesquisa)
neuron e » neuron _ (Expandir a Pesquisa), neuron a (Expandir a Pesquisa), neuron 1 (Expandir a Pesquisa)
e maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), e maior (Expandir a Pesquisa)
maier j » maier _ (Expandir a Pesquisa), maier a (Expandir a Pesquisa), maier b (Expandir a Pesquisa)
a maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a mailed (Expandir a Pesquisa)
viola d » viola de (Expandir a Pesquisa), viola _ (Expandir a Pesquisa), viola a (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 matter neuron e maier j med ) or ( j matthews h a maier viola d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j matter neuron e maier j med ) OR ( j matthews h a maier viola d ))*.