APA

Cragan J. D., Roberts H. E., Edmonds L. D., Khoury M. J., Kirby R. S., Shaw G. M., Velie E. M., Merz R. D., Forrester M. B., Williamson R. A., Krishnamurti D. S., Stevenson R. E. & Dean J. H. (19950912). Surveillance for anencephaly and spina bifida and the impact of prenatal diagnosis--United States, 1985-1994. : MMWR. CDC surveillance summaries : Morbidity and mortality weekly report. CDC surveillance summaries.

Chicago

Cragan J D, Roberts H E, Edmonds L D, Khoury M J, Kirby R S, Shaw G M, Velie E M, Merz R D, Forrester M B, Williamson R A, Krishnamurti D S, Stevenson R E and Dean J H. 19950912. Surveillance for anencephaly and spina bifida and the impact of prenatal diagnosis--United States, 1985-1994. : MMWR. CDC surveillance summaries : Morbidity and mortality weekly report. CDC surveillance summaries.

Harvard

Cragan J. D., Roberts H. E., Edmonds L. D., Khoury M. J., Kirby R. S., Shaw G. M., Velie E. M., Merz R. D., Forrester M. B., Williamson R. A., Krishnamurti D. S., Stevenson R. E. and Dean J. H. (19950912). Surveillance for anencephaly and spina bifida and the impact of prenatal diagnosis--United States, 1985-1994. : MMWR. CDC surveillance summaries : Morbidity and mortality weekly report. CDC surveillance summaries.

MLA

Cragan J D, Roberts H E, Edmonds L D, Khoury M J, Kirby R S, Shaw G M, Velie E M, Merz R D, Forrester M B, Williamson R A, Krishnamurti D S, Stevenson R E and Dean J H. Surveillance for anencephaly and spina bifida and the impact of prenatal diagnosis--United States, 1985-1994. : MMWR. CDC surveillance summaries : Morbidity and mortality weekly report. CDC surveillance summaries. 19950912.