Talvez deva tentar algumas variações de ortografia:
methylation complex » demethylation complex (Expandir a Pesquisa), methylation coupled (Expandir a Pesquisa), acetylation complex (Expandir a Pesquisa)
a methylation » 1 methylation (Expandir a Pesquisa), dna methylation (Expandir a Pesquisa), rna methylation (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
knopf carlos » prof carlos (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
nacl knopf » nacl kno (Expandir a Pesquisa)
than nga » thanh nga (Expandir a Pesquisa), tran nga (Expandir a Pesquisa), than ng (Expandir a Pesquisa)
cole c » cole _ (Expandir a Pesquisa), cole b (Expandir a Pesquisa), cole d (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (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 l cole c new ) or ((( a methylation complex than nga ) or ( 0.9 nacl knopf carlos nora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l cole c new ) OR ((( a methylation complex than nga ) OR ( 0.9 nacl knopf carlos nora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l cole c new ) or ((( a methylation complex than nga ) or ( 0.9 nacl knopf carlos nora ))))*.