TY - JOUR
AU - 
TI - The Counter Current Mechanism in Biology
JF - The American Biology Teacher
DO - 10.2307/4441976
DA - 1968-02-01
UR - https://www.deepdyve.com/lp/crossref/the-counter-current-mechanism-in-biology-PgcBVvIIR0
SP - 130
EP - 137
VL - 30
IS - 2
DP - DeepDyve
ER -