Efficacy of 17beta-estradiol on depression: is estrogen deficiency really necessary?

Soares CN, Joffe H, Cohen LS, Almeida OP. Efficacy of 17beta-estradiol on depression: is estrogen deficiency really necessary?. The Journal of clinical psychiatry. 2002;63(5):451; author reply 451–2. PMID: 12019671