Talvez deva tentar algumas variações de ortografia:
decreased sperm » decreased sleep (Expandir a busca)
sperm decrease » term decrease (Expandir a busca), speed decrease (Expandir a busca), speed decreases (Expandir a busca)
decrease ratio » decreased ratio (Expandir a busca), decrease at (Expandir a busca), decreased rate (Expandir a busca)
ratio decrease » rate decrease (Expandir a busca), rapid decrease (Expandir a busca), ratio increase (Expandir a busca)
the decreased » the decrease (Expandir a busca), the deceased (Expandir a busca), the increased (Expandir a busca)
decrease the » decreases the (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
decrease 1st » decrease akt (Expandir a busca), decrease at (Expandir a busca), decrease std (Expandir a busca)
1st basic » at basic (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease the decreased sperm decrease ) OR ( decrease ratio decrease 1st basic ))~.