Talvez deva tentar algumas variações de ortografia:
complex histones » complex history (Expandir a Pesquisa), complex tones (Expandir a Pesquisa), complete histone (Expandir a Pesquisa)
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
histones how » histones h3 (Expandir a Pesquisa), histones h1 (Expandir a Pesquisa), histones h2a (Expandir a Pesquisa)
diez carlos » diaz carlos (Expandir a Pesquisa), diego carlos (Expandir a Pesquisa), diniz carlos (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
nacl diez » nacl diet (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
con nee » con net (Expandir a Pesquisa), con noe (Expandir a Pesquisa), con note (Expandir a Pesquisa)
negrao » negras (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 con nee ) or ((( 5 methyl complex histones how ) or ( 3.5 nacl diez carlos negrao ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs con nee ) OR ((( 5 methyl complex histones how ) OR ( 3.5 nacl diez carlos negrao )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con nee ) or ((( 5 methyl complex histones how ) or ( 3.5 nacl diez carlos negrao ))))*.