1. Yanagimachi R. Mammalian fertilization. In: Knobil E, Neil JD, editors. The physiology of reproduction. New York: Raven Press, 1994:189–317.
2. Garbers DL, Kopf GS. The regulation of spermatozoa by calcium and cyclic nucle-otides. Adv Cyclic Nucl Res 1980;13:251–305.
3. Lindemann CB, Goltz JS. Calcium regulation of flagellar curvature and swimming pattern in Triton-X-100 extracted rat sperm. Cell Motil Cytoskeleton 1988;10:420–31.
4. Rotem R, Paz GF, Homonnai ZT, Kalina M, Naor Z. Protein kinase C is present in human sperm: possible role in flagellar motility. Proc Natl Acad Sci USA 1990;87:7305–8.
5. Tash JS, Krinks M, Patel J, Means RL, Klee CB, Means AR. Identification, characterization and functional correlation of calmodulin-dependent protein phosphatase in sperm. J Cell Biol 1988;106:1625–33.