Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Maureen R. Keefe and Anne Marie Kotzer and Ann Froese-Fretz and Mary Curtin,A Longitudinal Comparison Of Irritable and Nonirritable Infants,Nursing Research,0029-6562,Ovid Technologies (Wolters Kluwer Health),1996-01,45,1,4-9,https://cir.nii.ac.jp/crid/1361137046159701376,https://doi.org/10.1097/00006199-199601000-00002