共 41 条
[1]
ACKERT J. E., 1933, TRANS AMER MICROSC SOC, V52, P51, DOI 10.2307/3222227
[2]
ACKERT J. E., 1927, JOUR PARASITOL, V13, P219
[3]
Ackert JE, 1931, AM J HYG, V13, P320, DOI 10.1093/oxfordjournals.aje.a117120
[4]
Vitamin D and resistance of chickens to parasitism
[J].
AMERICAN JOURNAL OF HYGIENE,
1929, 9 (02)
:292-307
[5]
Resistance of chickens to parasitism affected by vitamin B
[J].
AMERICAN JOURNAL OF HYGIENE,
1931, 13 (01)
:337-344
[7]
BRANSON DS, 1944, THESIS KANSAS STATE
[9]
CHANDLER A C, 1953, J Egypt Med Assoc, V36, P533