APA
Romero R., Kusanovic J. P., Than N. G., Erez O., Gotsch F., Espinoza J., Edwin S., Chefetz I., Gomez R., Nien J. K., Sammar M., Pineles B., Hassan S. S., Meiri H., Tal Y., Kuhnreich I., Papp Z. & Cuckle H. S. (20080829). First-trimester maternal serum PP13 in the risk assessment for preeclampsia. : American journal of obstetrics and gynecology.
Chicago
Romero Roberto, Kusanovic Juan Pedro, Than Nandor Gabor, Erez Offer, Gotsch Francesca, Espinoza Jimmy, Edwin Samuel, Chefetz Ilana, Gomez Ricardo, Nien Jyh Kae, Sammar Marei, Pineles Beth, Hassan Sonia S, Meiri Hamutal, Tal Yossi, Kuhnreich Ido, Papp Zoltan and Cuckle Howard S. 20080829. First-trimester maternal serum PP13 in the risk assessment for preeclampsia. : American journal of obstetrics and gynecology.
Harvard
Romero R., Kusanovic J. P., Than N. G., Erez O., Gotsch F., Espinoza J., Edwin S., Chefetz I., Gomez R., Nien J. K., Sammar M., Pineles B., Hassan S. S., Meiri H., Tal Y., Kuhnreich I., Papp Z. and Cuckle H. S. (20080829). First-trimester maternal serum PP13 in the risk assessment for preeclampsia. : American journal of obstetrics and gynecology.
MLA
Romero Roberto, Kusanovic Juan Pedro, Than Nandor Gabor, Erez Offer, Gotsch Francesca, Espinoza Jimmy, Edwin Samuel, Chefetz Ilana, Gomez Ricardo, Nien Jyh Kae, Sammar Marei, Pineles Beth, Hassan Sonia S, Meiri Hamutal, Tal Yossi, Kuhnreich Ido, Papp Zoltan and Cuckle Howard S. First-trimester maternal serum PP13 in the risk assessment for preeclampsia. : American journal of obstetrics and gynecology. 20080829.