Elsewhere several questionnaire studies have observed seasonal acne and most of them have shown winter and fall acne to be more common. (supernaturalacnetreatment.com)
METHODS: This investigation has a cross-sectional questionnaire study design. (content.iospress.com)
In summary, we describe here the first large - scale questionnaire study of TC in a pet population sample including four different dog breeds. (journals.plos.org)