The difference in birth weight of human twins.  Twin blood studies.  II.  Cord blood haemoglobin levels.
D001724:Birth Weight; D005312:Fetal Blood; D006454:Hemoglobins; D006801:Humans; D014427:Twins; D014470:Umbilical Cord / Q000097:blood*
D006454:Hemoglobins
HEMOGLOBIN; TWINS; UMBILICAL CORD/blood in