Talvez deva tentar algumas variações de ortografia:
factor complex » mtor complex (Expandir a Pesquisa), receptor complex (Expandir a Pesquisa)
complex trait » complex traits (Expandir a Pesquisa)
kuhnen carlos » muhlen carlos (Expandir a Pesquisa), kuhn carlos (Expandir a Pesquisa), chen carlos (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
nacl kuhnen » paula kuhnen (Expandir a Pesquisa)
m cooper » _ cooper (Expandir a Pesquisa), j cooper (Expandir a Pesquisa)
5 factor » 4 factor (Expandir a Pesquisa), 1 factor (Expandir a Pesquisa), 3 factor (Expandir a Pesquisa)
trait co » trait can (Expandir a Pesquisa), trait _ (Expandir a Pesquisa), trait a (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m cooper john n ) OR ((( 5 factor complex trait co ) OR ( 0.9 nacl kuhnen carlos rojek ))))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m cooper john n ) or ((( 5 factor complex trait co ) or ( 0.9 nacl kuhnen carlos rojek ))))*.