How to choose the sex of your baby : a complete update on the method best supported by the scientific evidence /

por Shettles, Landrum B. (Landrum Brewer), 1909-2003
Publicado 1984

Ovum humanum : growth, maturation, nourishment, fertilization and early development /

por Shettles, Landrum B. (Landrum Brewer), 1909-2003
Publicado 1960

Rites of life : the scientific evidence for life before birth /

por Shettles, Landrum B. (Landrum Brewer), 1909-2003
Publicado 1983

From conception to birth : the drama of life's beginnings /

por Rugh, Roberts, 1903-1978, Shettles, Landrum B. (Landrum Brewer), 1909-2003, Einhorn, Richard
Publicado 1971