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Berghella V, Rafael TJ, Szychowski JM, Rust OA, Owen J.

Πηγή‎: Obstet Gynecol 2011;117(3):663-71.

Καταχώριση‎: PubMed 21446209

https://www.ncbi.nlm.nih.gov/pubmed/21446209 (ανοίγει νέο παράθυρο)

Prophylactic administration of progesterone by vaginal suppository to reduce the incidence of spontaneous preterm birth in women at increased risk: a randomized placebo-controlled double-blind study. (ανοίγει νέο παράθυρο)

da Fonseca EB, Bittar RE, Carvalho MH, Zugaib M.

Πηγή‎: Am J Obstet Gynecol 2003;188(2):419-24.

Καταχώριση‎: PubMed 12592250

https://www.ncbi.nlm.nih.gov/pubmed/12592250 (ανοίγει νέο παράθυρο)

Tocolytic therapy for preterm delivery: systematic review and network meta-analysis. (ανοίγει νέο παράθυρο)

Haas DM, Caldwell DM, Kirkpatrick P, McIntosh JJ, Welton NJ.

Πηγή‎: BMJ 2012;345:e6226.

Καταχώριση‎: PubMed 23048010

https://www.ncbi.nlm.nih.gov/pubmed/23048010 (ανοίγει νέο παράθυρο)

Progestogens for preterm birth prevention: a systematic review and meta-analysis. (ανοίγει νέο παράθυρο)

Likis FE, Edwards DR, Andrews JC, Woodworth AL, Jerome RN, Fonnesbeck CJ, McKoy JN, Hartmann KE.

Πηγή‎: Obstet Gynecol 2012;120(4):897-907.

Καταχώριση‎: PubMed 22955308

DOI‎: 10.1097/AOG.0b013e3182699a15

https://www.ncbi.nlm.nih.gov/pubmed/22955308 (ανοίγει νέο παράθυρο)