1.
Metaxas C, Mathis D, Jeger C, Hersberger KE, Arnet I, Walter P. Early biomarker response and patient preferences to oral and intramuscular vitamin B12 substitution in primary care: a randomised parallel-group trial. Swiss Med Wkly [Internet]. 2017 Apr. 7 [cited 2024 May 3];147(1314):w14421. Available from: https://smw.ch/index.php/smw/article/view/2291