The Louisiana Academy of Sciences, Monroe, LA, 1999: “Biomphalaria glabrata: transfer of factors governing resistance to Schistosoma mansoni

The Louisiana Academy of Sciences, Lafayette, LA, 1993; "Heterobilharzia americana and Schistosoma mansoni:adult worm immunogens cross-react with mouse antibodies" with E. Ogah

The Louisiana Academy of Sciences, Baton Rouge, LA, 1992; "In vitro culture of Schistosoma japonicum eggs: Characterization of the 70 kD Heat Shock Protein and 140 kD Leucine aminopeptidase components" with R. J. Zimmerman and C. E. Carter

The Louisiana Academy of Sciences, Shreveport, LA, 1991; "Differential Infectivity by male and female miracidia of Schistosoma mansoni (Trematoda: Schistosomatidae) as miracidia age" with L. H.  Grafton

The American Society of Parasitologists, Vancouver, British Columbia, Canada, 1989; "Cloning of a Schistosoma japonicum Gene Encoding a 140 kD Component of Soluble Egg Antigen" with R. J. Zimmerman and C. E. Carter

The Federation of American Societies for Experimental Biology, New Orleans, LA, 1989; "In vitro culture of Schistosoma japonicum eggs: synthesis of an immunogenic 70 kD heat shock protein"

Immunoparasitology Workshop, Fancy Gap, VA, 1988; "In vitro culture of Schistosoma japonicum eggs: synthesis and secretion of a major immunogen that has been cloned into lambda gt11"

The American Society of Zoologists, New Orleans, LA, 1987; "Major Immunogens of Fasciola hepatica and Schistosoma japonicum contain cross reactive epitopes" with C. E. Carter and B. J. Bogitsh

The American Society of Tropical Medicine and Hygiene and the American Society of Parasitologists, Denver, CO, 1986: "Schistosoma mansoni: Male‑Biased Sex Ratios in Snails and Mice"

Southeastern Society of Parasitologists, Clemson, SC, 1986: "Male‑Biased Sex Ratios in the Life Cycle of Schistosoma mansoni"

The American Society of Parasitologists, San Antonio, TX, 1983: "Identification of Sex in Schistosome Larval Stages"

Southeastern Society of Parasitologists, Lafayette, LA, 1983: "Identification of Sex in Schistosome Larval Stages"