Page 1. Phosphorus, SulfurandSilicon. 1998. Vol. 143, pp. ... References [l] For part 31 of this series, cf. MD Khidre, HM Abou-Yousef and MRH Mahran, Phosphorus, Sulfur and Silicon, 1997 (in press). [2] T. Zsolnai, Biochem. Pharmacol., 5, 1 (1960). ...