@phdthesis{ Solr-fikka.3319862, title = {Twin pregnancy}, series = {Lääketieteellisen tiedekunnan julkaisuja / Tampereen yliopisto}, series = {Acta Universitatis Tamperensis}, series = {Publications of the Faculty of Medicine / University of Tampere}, author = {Lumme, Riitta, 1946-}, address = {Tampere}, publisher = {University of Tampere}, year = {1984}, school = {Väitöskirja :}, note = {Väitösk. lisäksi 1 irtol.}, }