Poulos, A., Johnson, D. W., Beckman, K., White, I. G., & Easton, C. (1987). Occurrence of unusual molecular species of sphingomyelin containing 28-34-carbon polyenoic fatty acids in ram spermatozoa.

Poulos, A., D W. Johnson, K. Beckman, I G. White, and C. Easton. Occurrence of Unusual Molecular Species of Sphingomyelin Containing 28-34-carbon Polyenoic Fatty Acids in Ram Spermatozoa. 1987.

Poulos, A., et al. Occurrence of Unusual Molecular Species of Sphingomyelin Containing 28-34-carbon Polyenoic Fatty Acids in Ram Spermatozoa. 1987.