TY - GEN AU - Reid,A A TI - Oestrogens and thromboembolism SN - 0007-1447 PY - 1968///1220 KW - Contraceptives, Oral KW - adverse effects KW - Estrogens KW - Humans KW - Thromboembolism KW - chemically induced N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.4.5625.255 ER -