共 34 条
[1]
[Anonymous], 2019, Obstet Gynecol, V133, pe110, DOI 10.1097/AOG.0000000000003078
[2]
[Anonymous], 2015, Pract Midwife, V18, P9
[3]
Baranowska Barbara, 2019, Dev Period Med, V23, P54
[7]
Freeze J, 2018, PROCEEDINGS OF THE 51ST ANNUAL HAWAII INTERNATIONAL CONFERENCE ON SYSTEM SCIENCES (HICSS), P913
[8]
Fumagalli S., 2020, BR J MIDWIFERY, V28, P104, DOI [10.12968/bjom.2020.28.2.104, DOI 10.12968/BJOM.2020.28.2.104]
[10]
GUS, 2019, Rocznik Demograficzny 2019.