title: Serum PG I in premature and term infants.
mesh_terms: D005260:Female; D005753:Gastric Mucosa / Q000378:metabolism; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D010435:Pepsinogens / Q000097:blood*; D011863:Radioimmunoassay
chemical_list: D010435:Pepsinogens