Beecham backs out of spina bifida trial.
D004345:Drug Industry; D006805:Human Experimentation; D006801:Humans; D009747:Nutritional Physiological Phenomena; D010919:Placebos; D011247:Pregnancy; D037841:Pregnant People; D011315:Preventive Medicine; D011897:Random Allocation; D012107:Research Design; D016135:Spinal Dysraphism; D006113:United Kingdom; D014815:Vitamins
Biomedical and Behavioral Research; Medical Research Council