APA

Kjærsgaard-Andersen P., Nafei A., Skov O., Madsen F., Andersen H. M., Krøner K., Hvass I., Gjøderum O., Pedersen L. & Branebjerg P. E. (19910410). Codeine plus paracetamol versus paracetamol in longer-term treatment of chronic pain due to osteoarthritis of the hip. A randomised, double-blind, multi-centre study. : Pain.

Chicago

Kjærsgaard-Andersen Per, Nafei Adel, Skov Ole, Madsen Frank, Andersen Henrik M, Krøner Karsten, Hvass Inge, Gjøderum Ole, Pedersen Linda and Branebjerg Poul Erik. 19910410. Codeine plus paracetamol versus paracetamol in longer-term treatment of chronic pain due to osteoarthritis of the hip. A randomised, double-blind, multi-centre study. : Pain.

Harvard

Kjærsgaard-Andersen P., Nafei A., Skov O., Madsen F., Andersen H. M., Krøner K., Hvass I., Gjøderum O., Pedersen L. and Branebjerg P. E. (19910410). Codeine plus paracetamol versus paracetamol in longer-term treatment of chronic pain due to osteoarthritis of the hip. A randomised, double-blind, multi-centre study. : Pain.

MLA

Kjærsgaard-Andersen Per, Nafei Adel, Skov Ole, Madsen Frank, Andersen Henrik M, Krøner Karsten, Hvass Inge, Gjøderum Ole, Pedersen Linda and Branebjerg Poul Erik. Codeine plus paracetamol versus paracetamol in longer-term treatment of chronic pain due to osteoarthritis of the hip. A randomised, double-blind, multi-centre study. : Pain. 19910410.