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Kirk E, Bottomley C, Bourne T (). „Diagnosing ectopic pregnancy and current concepts in the management of pregnancy of unknown location”. Hum. Reprod. Update. 20 (2): 250–61. doi:10.1093/humupd/dmt047. PMID24101604.Mentenanță CS1: Nume multiple: lista autorilor (link)
Crochet JR, Bastian LA, Chireau MV (). „Does this woman have an ectopic pregnancy?: the rational clinical examination systematic review”. JAMA. 309 (16): 1722–9. doi:10.1001/jama.2013.3914. PMID23613077.Mentenanță CS1: Nume multiple: lista autorilor (link)
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Nama, V; Manyonda, I (aprilie 2009). „Tubal ectopic pregnancy: diagnosis and management”. Archives of gynecology and obstetrics. 279 (4): 443–53. PMID18665380.