TY - RPRT TI - Immune changes during long-duration missions. AU - I V Konstantinova AU - M P Rykova AU - A T Lesnyak AU - E A Antropova PY - 1993 DO - 10.1002/jlb.54.3.189 UR - https://pubmed.ncbi.nlm.nih.gov/8371048/ ID - 8371048 ER -