[Use of perforated-edge cards in the work of lying-in hospital].
D005260:Female; D006782:Hospitals, Special; D006801:Humans; D008499:Medical Records; D009774:Obstetrics; D011247:Pregnancy; D011676:Punched-Card Systems; D014586:USSR
Primenenie kart s kraevoĭ perforatsieĭ v rabote akusherskogo stationara.