00354nas a2200085 4500000000100000000000100001008004100002245017900043856004600222 d00aPlacenta-on-a-Chip as an In Vitro Approach to Evaluate the Physiological and Structural Characteristics of the Human Placental Barrier upon Drug Exposure: A Systematic Review uhttps://www.mdpi.com/2077-0383/12/13/4315