SHAM, W. H.; CHIANG, J. C. S.; CHU, J. P. S.; POON, C. M.; SIT, W. S.; SZE, S. F.; WONG, P. K.; WONG, S. Y. N.; YIP, W. H.; LEE, C. P. Factors Contributing to Non-Attendance of Antenatal Class in Hong Kong -a Study of Postpartum Females in Tsan Yuk Hospital. Hong Kong J Gynaecol Obstet Midwifery 2023, 2.