1.
BMJ
; 374: n1854, 2021 07 28.
Article
in English
| MEDLINE
| ID: mdl-34321254
2.
BMJ
; 340: c1181, 2010 Mar 02.
Article
in English
| MEDLINE
| ID: mdl-20197333
3.
BMJ
; 335(7619): 528, 2007 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-17855294
4.
BMJ
; 333(7580): 1222, 2006 Dec 09.
Article
in English
| MEDLINE
| ID: mdl-17158403