Cita APA

W P Crawford. (1991). Proceedings 39th annual pfizer research conference may 13, 1991. Newyork.

Citación estilo Chicago

W P Crawford. Proceedings 39th Annual Pfizer Research Conference May 13, 1991. Newyork, 1991.

Cita MLA

W P Crawford. Proceedings 39th Annual Pfizer Research Conference May 13, 1991. Newyork, 1991.

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