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American Journal of Veterinary Research|April 1, 1980
Testicular changes of acute vitamin A deficiency of cockerelsI Damjanov, S W Neilsen, L van der Heide, et al.
Pacing and Clinical Electrophysiology : PACE|January 1, 1982
Myocardial stimulation with ultrashort duration current pulsesJ A Pearce, J D Bourland, W Neilsen, et al.
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