H. Volodkevich

Down's syndrome: percentage reporting on birth certificates and single year maternal age risk rates for Ohio 1970-79: comparison with upstate New York data.

E. Hook, C. Huether, D. Ludwig, 1981, American journal of public health.

Causes of low utilization of amniocentesis by women of advanced maternal age.

C. Huether, H. Volodkevich, 1981, Social biology.