%0 Letter %T Systemic methotrexate in the management of ectopic pregnancy and pregnancy of unknown location. %A Soe NN %A Kathirvel R %A Ong KZ %A Saravanaa RM %A Chonkar SP %A Mathur M %J Ann Acad Med Singap %V 52 %N 7 %D 2023 Jul 28 %M 38904504 %F 8.713 %R 10.47102/annals-acadmedsg.202336