Talvez deva tentar algumas variações de ortografia:
complex atrial » complex bacterial (Expandir a Pesquisa), complex atypical (Expandir a Pesquisa)
met complex » yet complex (Expandir a Pesquisa), set complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
atrial ngoc » atrial nao (Expandir a Pesquisa), atrial block (Expandir a Pesquisa)
7.5 nucleus » 7li nucleus (Expandir a Pesquisa)
nucleus can » nucleus a (Expandir a Pesquisa), nucleus cell (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
can carlos » cano carlos (Expandir a Pesquisa), chan carlos (Expandir a Pesquisa), san carlos (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c neu » 2 neu (Expandir a Pesquisa)
5 met » 5 meo (Expandir a Pesquisa), 5 mev (Expandir a Pesquisa), 5 mec (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 _ combs c neu ) or ((( 5 met complex atrial ngoc ) or ( 7.5 nucleus can carlos nora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs c neu ) OR ((( 5 met complex atrial ngoc ) OR ( 7.5 nucleus can carlos nora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs c neu ) or ((( 5 met complex atrial ngoc ) or ( 7.5 nucleus can carlos nora ))))*.