Talvez deva tentar algumas variações de ortografia:
decrease risk » decreased risk (Expandir a busca), increase risk (Expandir a busca), decrease in (Expandir a busca)
risk decrease » risk decreases (Expandir a busca), risk increase (Expandir a busca), break decrease (Expandir a busca)
decrease esrd » decrease sod (Expandir a busca), decrease std (Expandir a busca), disease esrd (Expandir a busca)
decrease any » decreases and (Expandir a busca), decreased and (Expandir a busca), decreased ant (Expandir a busca)
any decrease » can decrease (Expandir a busca), may decrease (Expandir a busca), on decrease (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
and decrease » and decreases (Expandir a busca), and decreased (Expandir a busca), and increase (Expandir a busca)
esrd after » cord after (Expandir a busca), used after (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease risk decrease any decrease ) OR ( decrease and decrease esrd after ))~.