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Talwar, G P., N C. Sharma, S K. Dubey, M. Salahuddin, C. Das, S. Ramakrishnan, S. Kumar, e V. Hingorani. Isoimmunization against Human Chorionic Gonadotropin With Conjugates of Processed Beta-subunit of the Hormone and Tetanus Toxoid. 1976.

Talwar, G P., et al. Isoimmunization against Human Chorionic Gonadotropin With Conjugates of Processed Beta-subunit of the Hormone and Tetanus Toxoid. 1976.