lateral secretion theory
collision theory hard sphere theory
hard sphere theory collision theory
lipoid-sieve theory lipoid-filter theory
TRIZ theory of inventive problem solving theory
TRIZ发明问题解决理论理论
TRIZ理论发明问题解决理论
Ⅳ type secretion system
Acid hydrolase secretion
airway secretion clearance
basal insulin secretion