Cita APA

Bound, J. P., Francis, B. J., & Harvey, P. W. (1991). Neural tube defects, maternal cohorts, and age: A pointer to aetiology.

Chicago Style Citation

Bound, J P., B J. Francis, i P W. Harvey. Neural Tube Defects, Maternal Cohorts, and Age: A Pointer to Aetiology. 1991.

Cita MLA

Bound, J P., B J. Francis, i P W. Harvey. Neural Tube Defects, Maternal Cohorts, and Age: A Pointer to Aetiology. 1991.