Oral versus intramuscular administration of vitamin B12 for the treatment of patients with vitamin B12 deficiency: a pragmatic, randomised, multicentre, non-inferiority clinical trial undertaken in the primary healthcare setting (Project OB12)
doi: 10.3389/fmicb.2026.1787284 Received 15 January 2026 Revised 23 February 2026 Accepted 25 February 2026 Published 17 March 2026 Volume 17 - 2026 Edited by Charalampia Amerikanou, Harokopio University, Greece Reviewed by Marie-Joelle Franoise Virolle, Centre National de la Recherche Scientifique (CNRS), France Peng Li, Northwestern Polytechnical University, China Updates Copyright 2026 Niu, Wang, Lu and Yu
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Without Modifier 59, the payer may bundle one into the other and pay only the higher-weighted code
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