APA

Tourwé D., Couder J., Ceusters M., Meert D., Burks T. F., Kramer T. H., Davis P., Knapp R., Yamamura H. I. & Leysen J. E. (19921007). Synthesis and biological activities of linear and cyclic enkephalin analogues containing a psi (E,CH = CH) or psi (CH2CH2) isosteric replacement. : International journal of peptide and protein research.

Chicago

Tourwé D, Couder J, Ceusters M, Meert D, Burks T F, Kramer T H, Davis P, Knapp R, Yamamura H I and Leysen J E. 19921007. Synthesis and biological activities of linear and cyclic enkephalin analogues containing a psi (E,CH = CH) or psi (CH2CH2) isosteric replacement. : International journal of peptide and protein research.

Harvard

Tourwé D., Couder J., Ceusters M., Meert D., Burks T. F., Kramer T. H., Davis P., Knapp R., Yamamura H. I. and Leysen J. E. (19921007). Synthesis and biological activities of linear and cyclic enkephalin analogues containing a psi (E,CH = CH) or psi (CH2CH2) isosteric replacement. : International journal of peptide and protein research.

MLA

Tourwé D, Couder J, Ceusters M, Meert D, Burks T F, Kramer T H, Davis P, Knapp R, Yamamura H I and Leysen J E. Synthesis and biological activities of linear and cyclic enkephalin analogues containing a psi (E,CH = CH) or psi (CH2CH2) isosteric replacement. : International journal of peptide and protein research. 19921007.