Caveat lector: the true results of polling are in the small print.
Belden
Nancy
N
Belden Russonello & Stewart, USA.
Wade
Alexis
A
D000029:Abortion, Legal / Q000523:psychology*; D003625:Data Collection; D005260:Female; D006801:Humans; D011247:Pregnancy; D011639:Public Opinion; D011640:Public Policy; D011795:Surveys and Questionnaires; D014481:United States