APA

El-dardiry N., El-kabarity H., Maarei S., El-sahwi S., Kira L., Rizk M., El-sewedy S. M., Mostafa M. H., Saad A. A. & El-zoghby S. M. (19811005). Effect on prolonged use of oral contraceptive pills on the activity of serum and vaginal ribonuclease. : Bulletin. Kulliyat Tibb al-Iskandariyah.

Chicago

El-dardiry N, El-kabarity H, Maarei S, El-sahwi S, Kira L, Rizk M, El-sewedy S M, Mostafa M H, Saad A A and El-zoghby S M. 19811005. Effect on prolonged use of oral contraceptive pills on the activity of serum and vaginal ribonuclease. : Bulletin. Kulliyat Tibb al-Iskandariyah.

Harvard

El-dardiry N., El-kabarity H., Maarei S., El-sahwi S., Kira L., Rizk M., El-sewedy S. M., Mostafa M. H., Saad A. A. and El-zoghby S. M. (19811005). Effect on prolonged use of oral contraceptive pills on the activity of serum and vaginal ribonuclease. : Bulletin. Kulliyat Tibb al-Iskandariyah.

MLA

El-dardiry N, El-kabarity H, Maarei S, El-sahwi S, Kira L, Rizk M, El-sewedy S M, Mostafa M H, Saad A A and El-zoghby S M. Effect on prolonged use of oral contraceptive pills on the activity of serum and vaginal ribonuclease. : Bulletin. Kulliyat Tibb al-Iskandariyah. 19811005.