Comment on

• Contraceptive effects of extended lactational amenorrhoea: beyond the Bellagio Consensus.

  Short RV, Lewis PR, Renfree MB, Shaw G. Short RV, et al. Lancet. 1991 Mar 23;337(8743):715-7. doi: 10.1016/0140-6736(91)90288-z. Lancet. 1991. PMID: 1672186
• Breastfeeding and birth control.

  [No authors listed] [No authors listed] Lancet. 1991 Apr 13;337(8746):911. Lancet. 1991. PMID: 1672984 No abstract available.