Introduction

Aarskog D. Støa K. F. Thorsen T. : Urinary oestrogen excretion in newborn infants with congenital dysplasia of the hip joint. Acta paed. scand. 55 (1966), 394.

Andrén L. Borglin N. E. : Disturbed urinary excretion pattern of oestrogens in newborns with congenital dislocation of the hip — I. The excretion of oestrogen during the first days of life. Acta endocr. 37 (1961), 423. (a).

Andrén L. Borglin N. E. : Disturbed urinary excretion pattern of oestrogens in newborns with congenital dislocation of the hip — II. The excretion of exogenous oestradiol-17 β. Acta endocr. 37 (1961), 427. (b).

Bardens J. W. : Palpation for the detection of dysplasia and wedge technique for pelvic radiography. Proc. 39th Annual Meeting Amer. Anim. Hosp. Ass., Las Vegas, Nev. (1972), 468.

Gustafsson P.-O. : Hip dysplasia in the Greyhound: A study of estradiol induced skeletal changes. J. Amer. vet. radiol. Soc. 9 (1968), 47.

Gustafsson P.-O. The effect of estradiol on the early postnatal development of the acetabulum in the Beagle. Clin. Orthop. 62 (1969), 65.

Gustafsson P.-O. Beling C. G. : Estradiol induced changes in Beagle pups: Effect of prenatal and postnatal administration. Endocrinology 85 (1969), 481.

Henricson B. Ljunggren G. Olsson S.-E. : Canine hip dysplasia in Sweden. Incidence and genetics. Proc. 2nd Int. Conf. vet. Radiologists. Stockholm 1970, Acta radiol. Suppl. 319 (1972), 175.

Norberg I. Olsson S.-E. : On the etiology and pathogenesis of hip dysplasia: A comparative review. J. small Anim. Pract. 7 (1966), 673.

Jessen C. R. Spurrell F. A. : Heritability of canine hip dysplasia. Proc. Canine Hip Dysplasia Symp. & Workshop, St. Louis, Mo. 1972. (1973), 53. (a).

Jessen C. R. Spurrell F. A. : Radiographic detection of canine hip dysplasia in known age groups. Proc. Canine Hip Dysplasia Symp. & Workshop, St. Louis, Mo. 1972 (1973), 93. (b).

Lust G. Geary J. C. Sheffy B. E. : Development of hip dysplasia in dogs. Amer. J. vet. Res. 34 (1973), 87.

Månsson J. Norberg I. : Hip dysplasia in the dog. (In Swedish). Medl.bl. Sv. Vet.förb. 13 (1961), 330.

Olsson S.-E. Kasström H. : Etiology and pathogenesis of canine hip dysplasia. Proc. Canine Hip Dysplasia Symp. Workshop, St. Louis, Mo. 1972 (1973), 1.

Pierce K. R. Bridges C. H. : The role of estrogens in the pathogenesis of canine hip dysplasia. Metabolism of exogenous estrogens. J. small Anim. Pract. 8 (1967), 383.

Pierce K. R. Banks W. C. : Hormone induced hip dysplasia in dogs. J. small Anim. Pract. 6 (1965), 121.

Priester W. A. Mulvihill J. J. : Canine hip dysplasia: Relative risk by sex, size, and breed, and comparative aspects. J. Amer. vet. med. Ass. 160 (1972), 735.

Riser W. H. : Hip dysplasia in dogs. Proc. 17th World vet. Congr. Hanover (1963), 1099.

Riser W. H. Cohen D. Lindqvist S. Månsson J. Chen S. : Influence of early rapid growth and weight gain on hip dysplasia in the German Shepherd dog. J. Amer. vet. med. Ass. 145 (1964), 661.

Riser W. H. Larsen J. S. : Influence of breed somatotypes on prevalence of hip dysplasia in the dog. J. Amer. vet. med. Ass. 165 (1974), 79.

Riser W. H. Shirer J. F. : Correlation between canine hip dysplasia and pelvic muscle mass: A study of 95 dogs. Amer. J. vet. Res. 28 (1967), 769.

Thieme W. T. Wynne-Davies R. Blair H. A. F. Bell E. T. Loraine J. A. : Clinical examination and urinary oestrogen assays in newborn children with congenital dislocation of the hip. J. Bone Jt Surg. 50-B (1968), 546.

Wynne-Davies R. : Acetabular dysplasia and familial joint laxity: Two etiological factors in congenital dislocation of the hip. J. Bone Jt Surg 52-B (1970), 704.