Talvez deva tentar algumas variações de ortografia:
decreases sperm » decreased sperm (Expandir a busca), decreases serum (Expandir a busca), decreasing sperm (Expandir a busca)
sperm decrease » term decrease (Expandir a busca), speed decrease (Expandir a busca), speed decreases (Expandir a busca)
decrease will » decrease with (Expandir a busca), decrease cell (Expandir a busca), decrease il (Expandir a busca)
or decreases » or decrease (Expandir a busca), oic decreases (Expandir a busca), oil decreases (Expandir a busca)
decrease the » decreases the (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
decrease or » decrease of (Expandir a busca), decrease on (Expandir a busca), decrease pro (Expandir a busca)
the basal » the nasal (Expandir a busca), the basic (Expandir a busca), the basis (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease or decreases sperm decrease ) OR ( decrease will decrease the basal ))~.