TY - GEN AU - Hem,Erlend AU - Nordhagen,Rannveig AU - Børdahl,Per E TI - Always stay cheerful - health information in the 1920s SN - 0807-7096 PY - 2019///0226 KW - Child KW - Child Health KW - history KW - Consumer Health Information KW - Health Education KW - Health Promotion KW - History, 20th Century KW - Humans KW - Hygiene KW - Mothers KW - education KW - Norway KW - Posters as Topic KW - Preventive Health Services KW - Public Health N1 - Publication Type: Historical Article; Journal Article UR - https://doi.org/10.4045/tidsskr.17.0660 ER -