Lauren Fischer and Paul Frank
In references to journals that have no volume or issue numbers, use the issue date, as shown in example 1 below. If there is an issue number but no volume number, use the style shown in example 2 below.
1. Flyvholm MA, Susitaival P, Meding B, et al. Nordic occupational skin questionnaire—NOSQ-2002: Nordic questionnaire for surveying work-related skin diseases on hands and forearms and relevant exposure. ...