Culdocentesis and ectopic pregnancy

1970 BMJ (Clinical Research Edition)  
lization of the perforating veins will probably be used more than phlebography, but it is unlikely to be adopted for investigating all varicose veins because, apart from the technical assistance and skill needed, the apparatus is expensive.
doi:10.1136/bmj.1.5690.187 fatcat:gtcr3d3ig5cdpahuuhe5u6vjhq