TY  - GEN
AU  - Sadun,Elvio H.
TI  - The influence of dietary pteroylglutamic acid and of APA liver extract on the survival and growth of the nematode, Ascaridia galli, in chickens fed purified and natural diets
PY  - 1950///
CY  - [S.l.
PB  - s.n.]
ER  -