{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,5,9]],"date-time":"2022-05-09T19:30:33Z","timestamp":1652124633370},"reference-count":5,"publisher":"BMJ","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Epidemiology & Community Health"],"published-print":{"date-parts":[[1973,2,1]]},"DOI":"10.1136\/jech.27.1.49","type":"journal-article","created":{"date-parts":[[2008,11,12]],"date-time":"2008-11-12T19:49:51Z","timestamp":1226519391000},"page":"49-52","source":"Crossref","is-referenced-by-count":1,"title":["Some implications of self-selection for pregnancy."],"prefix":"10.1136","volume":"27","author":[{"given":"W Z","family":"Billewicz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"key":"ref_1","first-page":"p.","article-title":"The survey perinatal deaths re-classified by special clinicopathological assessment","volume-title":"Perinatal Problems","author":"Butler, N.R.; BAIRD, D.; THOMSON, A.M.","year":"1969","unstructured":"BAIRD, D., and THOMSON, A. M. (1969). The survey perinatal deaths re-classified by special clinicopathological assessment. In Perinatal Problems, edited by N. R. Butler, and E. D. Alberman, p. 200."},{"key":"ref_2","first-page":"97","article-title":"Body weight in parous women","volume":"24","author":"BILLEWICZ, W.Z.; THOMSON, A.M.","year":"1970","unstructured":"BILLEWICZ, W. Z., and THOMSON, A. M. (1970). Body weight in parous women. Brit. J. prev. soc. Med., 24, 97.","journal-title":"Brit. J. prev. soc. Med"},{"key":"ref_3","first-page":"1","article-title":"Trends in perinatal and neonatal mortality in England and Wales 1960-69","volume":"26","author":"FRYER, J.G.; ASHFORD, J.R.","year":"1972","unstructured":"FRYER, J. G., and ASHFORD, J. R. (1972). Trends in perinatal and neonatal mortality in England and Wales 1960-69. Brit. J. prev. soc. Med., 26, 1.","journal-title":"Brit. J. prev. soc. Med"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1017\/S0021932000008658","article-title":"The Hull Family Survey. II. Family planning in the first five years of marriage","volume":"4","author":"PEEL, J.","year":"1972","unstructured":"PEEL, J. (1972). The Hull Family Survey. II. Family planning in the first five years of marriage. J. biosoc. Sci., 4, 333.","journal-title":"J. biosoc. Sci"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1017\/S0021932000000067","article-title":"Family growth in Aberdeen","volume":"1","author":"THOMPSON, B.; ILLSLEY, R.","year":"1969","unstructured":"THOMPSON, B., and ILLSLEY, R. (1969). Family growth in Aberdeen. J. biosoc. Sci., 1, 23.","journal-title":"J. biosoc. Sci"}],"container-title":["Journal of Epidemiology & Community Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/jech.27.1.49","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,26]],"date-time":"2020-09-26T02:27:56Z","timestamp":1601087276000},"score":1,"resource":{"primary":{"URL":"https:\/\/jech.bmj.com\/lookup\/doi\/10.1136\/jech.27.1.49"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1973,2,1]]},"references-count":5,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1973,2,1]]}},"URL":"https:\/\/doi.org\/10.1136\/jech.27.1.49","relation":{},"ISSN":["0143-005X"],"issn-type":[{"value":"0143-005X","type":"print"}],"subject":[],"published":{"date-parts":[[1973,2,1]]}}}