Mass mortality of harbor seals: pneumonia associated with influenza A virus.
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W. J. Bean | R. Schooley | R. Webster | V. Hinshaw | J. Prescott | I. Barker | Geraci | H. Ruhnke | D. J. Aubin | A. Baker | J. Geraci | G. Early | S. Madoff | D. St. Aubin | R. Schooley