Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes) by Júlia Giora, John R. Burns

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Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes) by Júlia Giora, John R. Burns

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Comparison of spermiogenesis in the externally fertilizing Hemigrammus erythrozonus and the inseminating Corynopoma riisei (Teleostei: Characiformes: Characidae) by Anna Pecio, John R. Burns, Stanley H. Weitzman

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Comparative morphology of gill glands in externally fertilizing and inseminating species of cheirodontine fishes, with implications on the phylogeny of the family Characidae (Actin... by Cristina L. C. de Oliveira, Luiz R. Malabarba, John R. Burns

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Comparative morphology of gill glands in externally fertilizing and inseminating species of cheirodontine fishes, with implications on the phylogeny of the family Characidae (Actin... by Cristina L. C. de Oliveira, Luiz R. Malabarba, John R. Burns

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Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gla... by Stanley H. Weitzman, Naércio A. Menezes, Hans-Georg Evers, John R. Burns

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Utilization of Acupuncture Services in the Emergency Department Setting: A Quality Improvement Study by John R. Burns, Jessica J. F. Kram, Vashir Xiong, Jeanne M. Stark Casadont, Tiffany A. Mullen, Nancy Conway, Dennis J. Baumgardner

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