1. Afzelius, B. A., 1976, A human syndrome caused by immotile cilia, Science 193: 317–319.
2. Afzelius, B. A., Eliasson, R., Johnsen, O. D., and Lindholmer, C., 1975, Lack of dynein arms in immotile human spermatozoa, J. Cell Biol 66: 225–232.
3. Afzelius, B. A., Camner, P., and Mossberg, B., 1978, On the function of cilia in the female reproductive tract, Fertil. Steril 29: 72–74.
4. Aketa, K., and Ohta, J., 1977, When do sperm of the sea urchin Pseudocentrotus depressus undergo the acrosome reaction at fertilization?, Dev. Biol 61: 366–372.
5. Allen, R. D., 1958, The initiation of development in: The Chemical Basis of Development (W. O. McElroy and B. Glass, eds.), pp. 17–73, John Hopkins University Press, Baltimore.