[Factors which affect the performance of subarachnoid block].
D000328:Adult; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal / Q000379:methods; D000779:Anesthetics, Local / Q000008:administration & dosage; D000818:Animals; D002648:Child; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011187:Posture; D011247:Pregnancy; D013346:Subarachnoid Space
D000779:Anesthetics, Local
Factores que influyen en la realización de un bloqueo subaracnoideo.