SITUATION AND SOME RELATED FACTORS FOR GROUP B STREPTOCOCCUS (GBS) INFECTION OF REPRODUCTIVE TRACT AMONG WOMEN AT THE 35TH TO 37TH WEEK OF PREGNANCY IN NGHE AN, 2019. YHCĐ [Internet]. 2022 May 22 [cited 2026 Sept. 9];63(3). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/323