ARE PHYSICAL-ACTIVITY AND EMPLOYMENT RELATED TO PRETERM BIRTH AND LOW-BIRTH-WEIGHT
Article
SIMPSON, JL. (1993). ARE PHYSICAL-ACTIVITY AND EMPLOYMENT RELATED TO PRETERM BIRTH AND LOW-BIRTH-WEIGHT
. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 168(4), 1231-1238. 10.1016/0002-9378(93)90374-R
SIMPSON, JL. (1993). ARE PHYSICAL-ACTIVITY AND EMPLOYMENT RELATED TO PRETERM BIRTH AND LOW-BIRTH-WEIGHT
. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 168(4), 1231-1238. 10.1016/0002-9378(93)90374-R