APA

Hjollund N. H., Jensen T. K., Bonde J. P., Henriksen T. B., Andersson A. M., Kolstad H. A., Ernst E., Giwercman A., Skakkebaek N. E. & Olsen J. (20000119). Spontaneous abortion and physical strain around implantation: a follow-up study of first-pregnancy planners. : Epidemiology (Cambridge, Mass.).

Chicago

Hjollund N H, Jensen T K, Bonde J P, Henriksen T B, Andersson A M, Kolstad H A, Ernst E, Giwercman A, Skakkebaek N E and Olsen J. 20000119. Spontaneous abortion and physical strain around implantation: a follow-up study of first-pregnancy planners. : Epidemiology (Cambridge, Mass.).

Harvard

Hjollund N. H., Jensen T. K., Bonde J. P., Henriksen T. B., Andersson A. M., Kolstad H. A., Ernst E., Giwercman A., Skakkebaek N. E. and Olsen J. (20000119). Spontaneous abortion and physical strain around implantation: a follow-up study of first-pregnancy planners. : Epidemiology (Cambridge, Mass.).

MLA

Hjollund N H, Jensen T K, Bonde J P, Henriksen T B, Andersson A M, Kolstad H A, Ernst E, Giwercman A, Skakkebaek N E and Olsen J. Spontaneous abortion and physical strain around implantation: a follow-up study of first-pregnancy planners. : Epidemiology (Cambridge, Mass.). 20000119.