NATURAL INFECTION OF THE SNAIL BIOMPHALARIA-OBSTRUCTA IN LOUISIANA USA WITH RIBEIROIA-ONDATRAE AND ECHINOPARYPHIUM-FLEXUM WITH NOTES ON THE GENUS PSILOSTOMUM
Published in Tulane Studies in Zoology and Botany, in 1977, in volume 19, issue 3-4, pages 131-136
Date published:1977