{"first_sentence": {"type": "/type/text", "value": "The dynamic physiological changes that occur in the maternal-placental-fetal unit during pregnancy influence the pharmacokinetic processes of drug absorption, distribution and elimination."}, "physical_format": "Hardcover", "subtitle": "A Clinician's Guide (Medical Toxicology)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "2.9 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Marcel Dekker"], "number_of_pages": 821, "isbn_13": ["9780824788414"], "id": 11054397, "edition_name": "Subsequent edition", "isbn_10": ["0824788419"], "publish_date": "February 11, 1994", "key": "/b/OL8160551M", "authors": [{"key": "/a/OL446770A"}], "title": "Maternal-Fetal Toxicology", "type": {"key": "/type/edition"}, "subjects": ["Materno-fetal medicine", "Medical toxicology", "Medical / Nursing", "Pregnancy", "Medical", "Pediatrics", "Perinatology & Neonatology", "Effect of drugs on", "Abnormalities", "Effect of chemicals on", "Effect of radiation on", "Fetus"], "physical_dimensions": "9.5 x 6.5 x 1.8 inches", "revision": 1}