Stobo, W. T., & Fowler, G. M. (2001). Sealworm (Pseudoterranova decipiens) dynamics in Sable Island grey seals (Halichoerus grypus): seasonal fluctuations and other changes in worm infections during the 1980s. NAMMCO Scientific Publications, 3, 129–147. https://doi.org/10.7557/3.2963