In this paper by Alejandro R Jadad (26 February, pp 537-40) the first author's name in reference 27 slipped through wrongly spelt; the correct spelling is Hammarquist.
In this paper by Alejandro R Jadad (26 February, pp 537-40) the first author's name in reference 27 slipped through wrongly spelt; the correct spelling is Hammarquist.