Saddle block spinal anesthesia in obstetrics, with special reference to the use of metycaine.
D000775:Anesthesia, Spinal; D005260:Female; D006801:Humans; D009774:Obstetrics; D010880:Piperidines; D011247:Pregnancy
D010880:Piperidines; C023039:piperocaine
ANESTHESIA/spinal