title: Clinical trials: when to start and when to stop.
authors: shey@easynet.co.uk
authors: Edmund
authors: E
authors: Hey
mesh_terms: D018712:Analgesics, Non-Narcotic / Q000009:adverse effects* / Q000627:therapeutic use; D004374:Ductus Arteriosus, Patent / Q000517:prevention & control; D006801:Humans; D006976:Hypertension, Pulmonary / Q000139:chemically induced*; D007052:Ibuprofen / Q000009:adverse effects* / Q000627:therapeutic use; D007231:Infant, Newborn; D007234:Infant, Premature; D016032:Randomized Controlled Trials as Topic / Q000592:standards*
chemical_list: D018712:Analgesics, Non-Narcotic; D007052:Ibuprofen