APA

van den Beld A., Huhtaniemi I. T., Pettersson K. S., Pols H. A., Grobbee D. E., de Jong F. H. & Lamberts S. W. (19990421). Luteinizing hormone and different genetic variants, as indicators of frailty in healthy elderly men. : The Journal of clinical endocrinology and metabolism.

Chicago

van den Beld A, Huhtaniemi I T, Pettersson K S, Pols H A, Grobbee D E, de Jong F H and Lamberts S W. 19990421. Luteinizing hormone and different genetic variants, as indicators of frailty in healthy elderly men. : The Journal of clinical endocrinology and metabolism.

Harvard

van den Beld A., Huhtaniemi I. T., Pettersson K. S., Pols H. A., Grobbee D. E., de Jong F. H. and Lamberts S. W. (19990421). Luteinizing hormone and different genetic variants, as indicators of frailty in healthy elderly men. : The Journal of clinical endocrinology and metabolism.

MLA

van den Beld A, Huhtaniemi I T, Pettersson K S, Pols H A, Grobbee D E, de Jong F H and Lamberts S W. Luteinizing hormone and different genetic variants, as indicators of frailty in healthy elderly men. : The Journal of clinical endocrinology and metabolism. 19990421.