title: Lead absorption in cows: biological indicators of ambient lead exposure.
mesh_terms: D000042:Absorption; D000818:Animals; D002417:Cattle / Q000378:metabolism*; D004781:Environmental Exposure; D005260:Female; D007854:Lead / Q000378:metabolism*; D000623:Porphobilinogen Synthase / Q000032:analysis; D011524:Protoporphyrins / Q000097:blood; D012989:Soil Pollutants / Q000378:metabolism*
chemical_list: D011524:Protoporphyrins; D012989:Soil Pollutants; D007854:Lead; D000623:Porphobilinogen Synthase