TY - RPRT TI - The longevity and hatchability of Philophthalmus megalurus and P. gralli miracidia in different environmental conditions. AU - P M Nollen AU - A Samizadeh-Yazd AU - D E Snyder PY - 1979 UR - https://pubmed.ncbi.nlm.nih.gov/41894/ ID - 41894 ER -